The select button of Link to Page field doesn't work

• Type: Bug
• Status: Closed
• Resolution: Fixed
• Affects Version/s: Master
• Fix Version/s: 7.4.13 DXP GA1, Master
• Component/s: Data Engine
• Labels:
  • QA-AUTOMATION
  • QA-F
  • migration_to_dataengine
• Epic/Theme:
  • Old_Form_Builder_Renderer_Replacement
• Fix Priority: 4
• Sprint: Data_Engine_7.4_04
• Git Pull Request: https://github.com/marcosapmf/liferay-portal/pull/278
• QA Test Name:
  • LocalFile.ExportImport#ExportImportLayoutCircularReference
  • LocalFile.ExportImport#ExportWebContentWithDeletedReference
  • LocalFile.ExportImport#ImportStagedSiteWithCircularReference
  • LocalFile.StagingUsecase#AssertAssetPriorityNotBeResetAfterPublication
  • LocalFile.WebContentExportImport#ImportLARLinkToPageValidation
  • LocalFile.WebContentStructures#SelectDifferentTypePagesInLinkToPageField
  • LocalFile.WebContentStructures#SelectGreatGrandChildPageInLinkToPageField
• QA Test Score: 26

Step to reproduce:

1. Add a widget page
2. Product Menu > Content & Data > Web Content > Structures tab
3. Add a new structure with a Link to Page field
4. Add a web content based on new structure
5. Click the Select button of Link to Page

Expected Results:
The widget page should be shown in select modal.

Actual Results:
The select modal doesn't popup. Additionally, the following error is shown in browser console:

Reproduced on:
Tomcat 9.0.37 + MySQL 5.7. Portal master GIT ID: 58c93cc3229fee3b08c1076d1096f5ed567f5ea5.