Created attachment 1546443 [details]
screenshot: Edit Host UI exception

Description of problem:
UI exception is thrown after opening Edit Host dialog. The host status doesn't matter. 

Version-Release number of selected component (if applicable):
ovirt-engine-4.3.2.1-0.1.el7.noarch
ovirt-engine-webadmin-portal-4.3.2.1-0.1.el7.noarch

Browser:
Firefox 65
Chromium 73

How reproducible:
100%

Steps to Reproduce:
1. Select a host.
2. Click Edit.
3.

Actual results:
Edit Host dialog is opened and UI exception is immediately thrown.

Expected results:
No UI exception.

Additional info:

ui.log
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2019-03-21 11:38:41,499+01 ERROR [org.ovirt.engine.ui.frontend.server.gwt.OvirtRemoteLoggingService] (default task-6) [] Permutation name: 5A88572D04238FEB7AD5812B8E9161F6
2019-03-21 11:38:41,499+01 ERROR [org.ovirt.engine.ui.frontend.server.gwt.OvirtRemoteLoggingService] (default task-6) [] Uncaught exception: com.google.gwt.core.client.JavaScriptException: (TypeError) : oab(...) is null
        at org.ovirt.engine.ui.webadmin.section.main.view.popup.host.HostPopupView.$lambda$0(HostPopupView.java:693)
        at org.ovirt.engine.ui.webadmin.section.main.view.popup.host.HostPopupView$lambda$0$Type.eventRaised(HostPopupView.java:693)
        at org.ovirt.engine.ui.uicompat.Event.$raise(Event.java:99)
        at org.ovirt.engine.ui.uicommonweb.models.ListModel.$setSelectedItem(ListModel.java:82)
        at org.ovirt.engine.ui.uicommonweb.models.ListModel.setSelectedItem(ListModel.java:78)
        at org.ovirt.engine.ui.uicommonweb.models.ListModel.itemsChanged(ListModel.java:236)
        at org.ovirt.engine.ui.uicommonweb.models.ListModel.$itemsChanged(ListModel.java:224)
        at org.ovirt.engine.ui.uicommonweb.models.ListModel.$setItems(ListModel.java:102)
        at org.ovirt.engine.ui.uicommonweb.models.hosts.HostModel.$updateClusterList(HostModel.java:1037)
        at org.ovirt.engine.ui.uicommonweb.models.hosts.HostModel.$lambda$13(HostModel.java:1017)
        at org.ovirt.engine.ui.uicommonweb.models.hosts.HostModel$lambda$13$Type.onSuccess(HostModel.java:1017)
        at org.ovirt.engine.ui.frontend.Frontend$1.$onSuccess(Frontend.java:227) [frontend.jar:]
        at org.ovirt.engine.ui.frontend.Frontend$1.onSuccess(Frontend.java:227) [frontend.jar:]
        at org.ovirt.engine.ui.frontend.communication.OperationProcessor$1.$onSuccess(OperationProcessor.java:133) [frontend.jar:]
        at org.ovirt.engine.ui.frontend.communication.OperationProcessor$1.onSuccess(OperationProcessor.java:133) [frontend.jar:]
        at org.ovirt.engine.ui.frontend.communication.GWTRPCCommunicationProvider$5$1.$onSuccess(GWTRPCCommunicationProvider.java:270) [frontend.jar:]
        at org.ovirt.engine.ui.frontend.communication.GWTRPCCommunicationProvider$5$1.onSuccess(GWTRPCCommunicationProvider.java:270) [frontend.jar:]
        at com.google.gwt.user.client.rpc.impl.RequestCallbackAdapter.onResponseReceived(RequestCallbackAdapter.java:198) [gwt-servlet.jar:]
        at com.google.gwt.http.client.Request.$fireOnResponseReceived(Request.java:233) [gwt-servlet.jar:]
        at com.google.gwt.http.client.RequestBuilder$1.onReadyStateChange(RequestBuilder.java:409) [gwt-servlet.jar:]
        at Unknown.onreadystatechange<(https://10-37-140-156.rhev.lab.eng.brq.redhat.com/ovirt-engine/webadmin/?locale=en_US#hosts)
        at com.google.gwt.core.client.impl.Impl.apply(Impl.java:236) [gwt-servlet.jar:]
        at com.google.gwt.core.client.impl.Impl.entry0(Impl.java:275) [gwt-servlet.jar:]
        at Unknown.Su/<(https://10-37-140-156.rhev.lab.eng.brq.redhat.com/ovirt-engine/webadmin/?locale=en_US#hosts)
        at Unknown.anonymous(Unknown)

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