Description of problem:
Unable to add/edit service dialogs through non default admin user, even with user that has correct RBAC settings (ie, tenant admin)

Version-Release number of selected component (if applicable):
5.10.0

How reproducible:
Everytime

Steps to Reproduce:
1.  Create a user with tenant admin group
2.  Log in with said user and try to edit/add service dialog
3.

Actual results:
Page flashes, but nothing changes

Expected results:
Able to add/edit service dialogs

Additional info:

The following appears in production.log:
[----] I, [2019-02-15T12:12:10.909231 #6836:3ba5a4c]  INFO -- :   Rendered /opt/rh/cfme-gemset/bundler/gems/cfme-ui-classic-93aeb5552460/app/views/layouts/_flash_msg.html.haml (6.3ms)
[----] I, [2019-02-15T12:12:10.954416 #6836:3ba5a4c]  INFO -- :   Rendered /opt/rh/cfme-gemset/bundler/gems/cfme-ui-classic-93aeb5552460/app/views/miq_ae_customization/_dialog_sample.html.haml (37.6ms)
[----] I, [2019-02-15T12:12:10.974019 #6836:3ba5a4c]  INFO -- :   Rendered /opt/rh/cfme-gemset/bundler/gems/cfme-ui-classic-93aeb5552460/app/views/miq_ae_customization/_dialog_info.html.haml (11.9ms)
[----] I, [2019-02-15T12:12:10.974135 #6836:3ba5a4c]  INFO -- :   Rendered /opt/rh/cfme-gemset/bundler/gems/cfme-ui-classic-93aeb5552460/app/views/miq_ae_customization/_dialog_details.html.haml (80.2ms)
[----] I, [2019-02-15T12:12:10.984554 #6836:3ba5a4c]  INFO -- :   Rendered /opt/rh/cfme-gemset/bundler/gems/cfme-ui-classic-93aeb5552460/app/views/miq_ae_customization/_dialog_sample_buttons.html.haml (2.9ms)
[----] I, [2019-02-15T12:12:10.987215 #6836:3ba5a4c]  INFO -- : Completed 200 OK in 170ms (Views: 1.5ms | ActiveRecord: 6.2ms)
[----] I, [2019-02-15T12:12:13.308619 #6836:3ba1d5c]  INFO -- : Started POST "/miq_ae_customization/x_button/1?pressed=dialog_edit_editor" for 127.0.0.1 at 2019-02-15 12:12:13 -0500
[----] I, [2019-02-15T12:12:13.311794 #6836:3ba1d5c]  INFO -- : Processing by MiqAeCustomizationController#x_button as JS
[----] I, [2019-02-15T12:12:13.311853 #6836:3ba1d5c]  INFO -- :   Parameters: {"1"=>"Option 1", "2"=>"Option 1", "4"=>"Option 1", "5"=>"Option 1", "6"=>"Option 1", "9"=>"Option 1", "pressed"=>"dialog_edit_editor", "id"=>"1"}
[----] F, [2019-02-15T12:12:13.323553 #6836:3ba1d5c] FATAL -- : Error caught: [MiqException::RbacPrivilegeException] The user is not authorized for this task or item.
/opt/rh/cfme-gemset/bundler/gems/cfme-ui-classic-93aeb5552460/app/controllers/application_controller.rb:2088:in `assert_privileges'
/opt/rh/cfme-gemset/bundler/gems/cfme-ui-classic-93aeb5552460/app/controllers/miq_ae_customization_controller/dialogs.rb:42:in `dialog_edit_editor'
/opt/rh/cfme-gemset/bundler/gems/cfme-ui-classic-93aeb5552460/app/controllers/application_controller/explorer.rb:202:in `generic_x_button'
/opt/rh/cfme-gemset/bundler/gems/cfme-ui-classic-93aeb5552460/app/controllers/miq_ae_customization_controller.rb:35:in `x_button'
/opt/rh/cfme-gemset/gems/actionpack-5.0.7.1/lib/action_controller/metal/basic_implicit_render.rb:4:in `send_action'
/opt/rh/cfme-gemset/gems/actionpack-5.0.7.1/lib/abstract_controller/base.rb:188:in `process_action'
/opt/rh/cfme-gemset/gems/actionpack-5.0.7.1/lib/action_controller/metal/rendering.rb:30:in `process_action'
/opt/rh/cfme-gemset/gems/actionpack-5.0.7.1/lib/abstract_controller/callbacks.rb:20:in `block in process_action'
/opt/rh/cfme-gemset/gems/activesupport-5.0.7.1/lib/active_support/callbacks.rb:126:in `call'
/opt/rh/cfme-gemset/gems/activesupport-5.0.7.1/lib/active_support/callbacks.rb:506:in `block (2 levels) in compile'
/opt/rh/cfme-gemset/gems/activesupport-5.0.7.1/lib/active_support/callbacks.rb:455:in `call'
/opt/rh/cfme-gemset/gems/activesupport-5.0.7.1/lib/active_support/callbacks.rb:101:in `__run_callbacks__'
/opt/rh/cfme-gemset/gems/activesupport-5.0.7.1/lib/active_support/callbacks.rb:750:in `_run_process_action_callbacks'
/opt/rh/cfme-gemset/gems/activesupport-5.0.7.1/lib/active_support/callbacks.rb:90:in `run_callbacks'
/opt/rh/cfme-gemset/gems/actionpack-5.0.7.1/lib/abstract_controller/callbacks.rb:19:in `process_action'
/opt/rh/cfme-gemset/gems/actionpack-5.0.7.1/lib/action_controller/metal/rescue.rb:20:in `process_action'
/opt/rh/cfme-gemset/gems/actionpack-5.0.7.1/lib/action_controller/metal/instrumentation.rb:32:in `block in process_action'
/opt/rh/cfme-gemset/gems/activesupport-5.0.7.1/lib/active_support/notifications.rb:164:in `block in instrument'
/opt/rh/cfme-gemset/gems/activesupport-5.0.7.1/lib/active_support/notifications/instrumenter.rb:21:in `instrument'
/opt/rh/cfme-gemset/gems/activesupport-5.0.7.1/lib/active_support/notifications.rb:164:in `instrument'
/opt/rh/cfme-gemset/gems/actionpack-5.0.7.1/lib/action_controller/metal/instrumentation.rb:30:in `process_action'
/opt/rh/cfme-gemset/gems/actionpack-5.0.7.1/lib/action_controller/metal/params_wrapper.rb:248:in `process_action'
/opt/rh/cfme-gemset/gems/activerecord-5.0.7.1/lib/active_record/railties/controller_runtime.rb:18:in `process_action'
/opt/rh/cfme-gemset/gems/actionpack-5.0.7.1/lib/abstract_controller/base.rb:126:in `process'
/opt/rh/cfme-gemset/gems/actionview-5.0.7.1/lib/action_view/rendering.rb:30:in `process'
/opt/rh/cfme-gemset/gems/actionpack-5.0.7.1/lib/action_controller/metal.rb:190:in `dispatch'
/opt/rh/cfme-gemset/gems/actionpack-5.0.7.1/lib/action_controller/metal.rb:262:in `dispatch'
/opt/rh/cfme-gemset/gems/actionpack-5.0.7.1/lib/action_dispatch/routing/route_set.rb:50:in `dispatch'
/opt/rh/cfme-gemset/gems/actionpack-5.0.7.1/lib/action_dispatch/routing/route_set.rb:32:in `serve'
/opt/rh/cfme-gemset/gems/actionpack-5.0.7.1/lib/action_dispatch/journey/router.rb:39:in `block in serve'
/opt/rh/cfme-gemset/gems/actionpack-5.0.7.1/lib/action_dispatch/journey/router.rb:26:in `each'
/opt/rh/cfme-gemset/gems/actionpack-5.0.7.1/lib/action_dispatch/journey/router.rb:26:in `serve'
/opt/rh/cfme-gemset/gems/actionpack-5.0.7.1/lib/action_dispatch/routing/route_set.rb:727:in `call'
/opt/rh/cfme-gemset/bundler/gems/cfme-graphql-78ed42192093/lib/manageiq/graphql/rest_api_proxy.rb:18:in `call'
/opt/rh/cfme-gemset/gems/secure_headers-3.0.3/lib/secure_headers/middleware.rb:10:in `call'
/var/www/miq/vmdb/lib/request_started_on_middleware.rb:12:in `call'
/opt/rh/cfme-gemset/gems/rack-2.0.6/lib/rack/etag.rb:25:in `call'
/opt/rh/cfme-gemset/gems/rack-2.0.6/lib/rack/conditional_get.rb:38:in `call'
/opt/rh/cfme-gemset/gems/rack-2.0.6/lib/rack/head.rb:12:in `call'
/opt/rh/cfme-gemset/gems/rack-2.0.6/lib/rack/session/abstract/id.rb:232:in `context'
/opt/rh/cfme-gemset/gems/rack-2.0.6/lib/rack/session/abstract/id.rb:226:in `call'
/opt/rh/cfme-gemset/gems/actionpack-5.0.7.1/lib/action_dispatch/middleware/cookies.rb:613:in `call'
/opt/rh/cfme-gemset/gems/actionpack-5.0.7.1/lib/action_dispatch/middleware/callbacks.rb:38:in `block in call'
/opt/rh/cfme-gemset/gems/activesupport-5.0.7.1/lib/active_support/callbacks.rb:97:in `__run_callbacks__'
/opt/rh/cfme-gemset/gems/activesupport-5.0.7.1/lib/active_support/callbacks.rb:750:in `_run_call_callbacks'
/opt/rh/cfme-gemset/gems/activesupport-5.0.7.1/lib/active_support/callbacks.rb:90:in `run_callbacks'
/opt/rh/cfme-gemset/gems/actionpack-5.0.7.1/lib/action_dispatch/middleware/callbacks.rb:36:in `call'
/opt/rh/cfme-gemset/gems/actionpack-5.0.7.1/lib/action_dispatch/middleware/remote_ip.rb:79:in `call'
/opt/rh/cfme-gemset/gems/actionpack-5.0.7.1/lib/action_dispatch/middleware/debug_exceptions.rb:49:in `call'
/opt/rh/cfme-gemset/gems/actionpack-5.0.7.1/lib/action_dispatch/middleware/show_exceptions.rb:31:in `call'
/opt/rh/cfme-gemset/gems/railties-5.0.7.1/lib/rails/rack/logger.rb:36:in `call_app'
/opt/rh/cfme-gemset/gems/railties-5.0.7.1/lib/rails/rack/logger.rb:26:in `call'
/opt/rh/cfme-gemset/gems/actionpack-5.0.7.1/lib/action_dispatch/middleware/request_id.rb:24:in `call'
/opt/rh/cfme-gemset/gems/rack-2.0.6/lib/rack/method_override.rb:22:in `call'
/opt/rh/cfme-gemset/gems/rack-2.0.6/lib/rack/runtime.rb:22:in `call'
/opt/rh/cfme-gemset/gems/activesupport-5.0.7.1/lib/active_support/cache/strategy/local_cache_middleware.rb:28:in `call'
/opt/rh/cfme-gemset/gems/actionpack-5.0.7.1/lib/action_dispatch/middleware/executor.rb:12:in `call'
/opt/rh/cfme-gemset/gems/rack-2.0.6/lib/rack/sendfile.rb:111:in `call'
/opt/rh/cfme-gemset/gems/railties-5.0.7.1/lib/rails/engine.rb:522:in `call'
/usr/share/gems/gems/puma-3.7.1/lib/puma/configuration.rb:232:in `call'
/usr/share/gems/gems/puma-3.7.1/lib/puma/server.rb:578:in `handle_request'
/usr/share/gems/gems/puma-3.7.1/lib/puma/server.rb:415:in `process_client'
/usr/share/gems/gems/puma-3.7.1/lib/puma/server.rb:275:in `block in run'
/usr/share/gems/gems/puma-3.7.1/lib/puma/thread_pool.rb:120:in `block in spawn_thread'