Result Rankings: Adding a duplicate alias removes all unsaved changes

• Type: Bug
• Status: In Review
• Resolution: Unresolved
• Affects Version/s: 7.2.X, Master
• Fix Version/s: None
• Component/s: Search Infrastructure
• Labels:
  • INACTIVE
• Story Points: 2
• Fix Priority: 3
• Epic Link: Search Tuning: Result Rankings (Phase 2)
• Sprint: Search | S03 Sprint 6, Search | S03 Sprint 7, Search|S03 Sprint 8|11.12-12.3
• Git Pull Request: https://github.com/brandizzi/liferay-portal/pull/869

Steps to reproduce:

1. Navigate to Control Panel > Configuration > Search Tuning > Result Rankings and create a new result ranking with the query article
2. Navigate back to the Result Rankings landing page and create another new result ranking with the query journal
3. Make changes to the form (i.e. pin, hide, add results, etc)
4. Add an alias named article
5. Save
   Observed: User is taken to error page informing them they cannot add duplicate keywords / aliases
6. Click back to the journal edit form

Expected result: The changes made to the form are still present before clicking save.
Actual result: The changes made to the form are removed.

Reproduced on:
Portal master-private Git commit: fd89656e54882aced1d1e39cf3f095fd65c50220
Portal 7.2.x-private Git commit: bb14c12414294d426b5054692dd25e3864b7b835