Cannot select preview page via select modal

• Type: Impedibug
• Status: Closed
• Priority: Critical
• Resolution: Completed
• Affects Version/s: Master
• Fix Version/s: None
• Component/s: Style Books
• Labels:
  • QA-AUTOMATION
  • liferay-update-dxp-3-7413
  • pt-app-security-review
• Fix Priority: 4
• Git Pull Request: https://github.com/liferay-echo/liferay-portal/pull/6823 https://github.com/brianchandotcom/liferay-portal/pull/111621
• QA Test Name:
  • LocalFile.StyleBooksWithPreview#PreviewStyleBookOnPages
• QA Test Score: 5

Step to reproduce:

1. Enable feature via attached file
2. Add 5 pages
3. Add a style book
4. Change to another preview page via select modal
   • Click the preview item selector > More > Select a page item

Expected Results:
The page item should be selected and the select modal is closed automatically.

Actual Results:
The select modal becomes empty. The following error is shown in browser console.

Reproduced on:
Tomcat 9.0.56 + MySQL 5.7. Portal master GIT ID: f7347696c85fded97d614a55500204370f0c016d.

Cannot be reproduced on:
Tomcat 9.0.56 + MySQL 5.7. Portal 7.4.13-DXP-U1.