The plus icon button doesn't work in Widget Templates popup of Tags Navigation portlet

• Type: Regression Bug
• Status: Closed
• Resolution: Fixed
• Affects Version/s: 7.1.X, 7.2.X, Master
• Fix Version/s: 7.0.0 DXP FP94, 7.0.10.15 DXP SP15, 7.0.X, 7.1.10 DXP FP19, 7.1.10.5 SP5, 7.1.X, 7.2.10 DXP FP8, 7.2.10.3 DXP SP3, 7.2.X, 7.3.4 CE GA5, 7.3.10 DXP GA1, Master
• Component/s: Tags, Widget Templates
• Labels:
  • QA-AUTOMATION
  • ee-ts
  • liferay-dxp-70-sp15
  • liferay-dxp-71-sp5
  • liferay-dxp-72-sp3
  • liferay-fixpack-de-94-7010
  • liferay-fixpack-dxp-19-7110
  • liferay-fixpack-dxp-8-7210
• Branch Version/s:
  7.2.x, 7.1.x, 7.0.x
• Backported to Branch:
  Committed
• Fix Priority: 4
• Last Working Version:
  7.3.3 CE GA4
• Git Pull Request: https://github.com/liferay-echo/liferay-portal/pull/1650
• QA Test Name:
  • LocalFile.ApplicationDisplayTemplatesUseCase#ADTTagsNavigationPortlet
• QA Test Score: 5

Step to reproduce:

1. Add a widget page
2. Add a Tags Navigation portlet to page
3. Click ellipsis button of Tags Navigation > Configuration
4. Click Manage Templates
5. Click plus icon button

Expected Results:
The template creation should be shown in Widget Templates popup.

Actual Results:
The plus icon doesn't work.

Reproduced on:
Tomcat 9.0.33 + MySQL 5.7. Portal master GIT ID: 25eb2464a281c98fa2e71beabb833787aa899d8d.

Cannot be reproduced on:
Tomcat 9.0.33 + MySQL 5.7. Portal 7.3.3-GA4 GIT ID:77b773677e0fa17b1a869414ad66220245ba96a8.