Undefined string is displayed when a new Form View field is added but no form is selected

• Type: Bug
• Status: Closed
• Resolution: Fixed
• Affects Version/s: 7.3.X, Master
• Fix Version/s: 7.3.10 DXP FP1, 7.3.10.1 DXP SP1, 7.3.6 CE GA7, 7.3.X, Master
• Component/s: App Builder, Workflow
• Labels:
  • frontend
  • liferay-dxp-73-sp1
  • liferay-fixpack-dxp-1-7310
  • qa_test_mapped
• Branch Version/s:
  7.3.x
• Backported to Branch:
  Committed
• Fix Priority: 3
• Git Pull Request: https://github.com/brianchandotcom/liferay-portal/pull/96289

 Steps to Reproduce:

1. Go to App Builder > Apps > Workflow Powered
2. Add a new Object and Form View on the Start step
3. Add an extra step
4. Add more Form View fields
5. Return to the previous step

 Actual Result:
Undefined string is displayed for each new Form View field

 Expected Result:
Only selected Form Views should be displayed

Verified on master DXP: ac943b75cd01349940708537db6edd0dfa538ca8