Fix Ansible Tower Service Catalog new item creation

[GregP]

Fix code to check for required Provider and Job Template selections in the drop downs.

https://bugzilla.redhat.com/show_bug.cgi?id=1491772

Screen shot post code fix, for Ansible Tower catalog item, first check for required Provider in drop down selection, display error:

Once Provider is selected, then check for Job Template drop down selection, display error:

Record saved when both are present:

====

For Orchestration Catalog Items, order of checks is reversed, first verify that Template has been selected in the drop down:

Then check for Provider to be selected:

Saved Orchestration Catalog Item once both Template and Provider have been selected:

[GregP]

@miq-bot add_label fine

[miq-bot]

@GregP Cannot apply the following label because they are not recognized: fine

[GregP]

@miq-bot add_label gaprindashvili

[miq-bot]

@GregP Cannot apply the following label because they are not recognized: gaprindashvili

[miq-bot]

Checked commit GregP@7df1fc7 with ruby 2.3.3, rubocop 0.52.1, haml-lint 0.20.0, and yamllint 1.10.0
1 file checked, 2 offenses detected

app/controllers/catalog_controller.rb

• ❗ - Line 897, Col 91 - Style/IfInsideElse - Convert if nested inside else to elsif.
• ❗ - Line 907, Col 87 - Style/IfInsideElse - Convert if nested inside else to elsif.