Can not select web content in Web Content Display

• Type: Regression Bug
• Status: Closed
• Resolution: Fixed
• Affects Version/s: Master
• Fix Version/s: 7.3.10 DXP FP1, 7.3.10.1 DXP SP1, Master
• Component/s: Content Display Widgets > Web Content Display widget
• Labels:
  • QA-AUTOMATION
  • liferay-dxp-73-sp1
  • liferay-fixpack-dxp-1-7310
• Fix Priority: 5
• Last Working Version:
  Master
• Git Pull Request: https://github.com/liferay-echo/liferay-portal/pull/2827
• QA Test Name:
  • LocalFile.WebContentWithCustomStructures#AddWebContentWithRepeatableHTMLField
• QA Test Score: 4

Step to reproduce:

1. Add a web content based on Basic Web Content
2. Add a widget page
3. Add a Web Content Display to page
4. Click the Select web content to make it visible
5. Click Select
6. Click the web content entry

Expected Results:
The web content should be selected in modal.

Actual Results:
The current page is embedded in modal.

Reproduced on:
Tomcat 9.0.37 + MySQL 5.7. Portal master GIT ID: 63e51f2e7e30acddd6e7cc1c037b4ae5c233714a.