Description of problem:

Unable to import job templates that have been exported from Satellite.

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

satellite-6.4.2-2.el7sat.noarch
tfm-rubygem-foreman_templates-6.0.3-1.el7sat.noarch

How reproducible:

100%


Steps to Reproduce:
==================
1. Log into the Satellite Gui--> Hosts--> Job Teamplates---> Export a job template(I used this template (Install Group - Katello SSH Default)) as a reproducer.
2. Then imported the same job template. I used the Gui and check-marked the Overwrite box.

Actual results:

Got the below exception:-
========================
Unable to save
ERF45-3514 [JobTemplate::NonUniqueInputsError]: Duplicated inputs detected: ["pre_script", "package", "post_script"]

Expected results:

The template should have been imported without any exceptions.


Additional info:

Tested the same with CLI:-

[root@satellite ~]# hammer job-template export --name "Install Package - Katello SSH Default" > exporttest
[root@satellite ~]# hammer job-template import --file ./exporttest --overwrite true
Could not import the job template:
  ERF45-3514 [JobTemplate::NonUniqueInputsError]: Duplicated inputs detected: ["pre_script", "package", "post_script"]

Note:- The value for "template" under "foreign_input_sets" does not much the value in Web UI.  The value is being set to the name of the exported template which isn't the value actually set in database.