"Uncaught TypeError" in Custom Filter configured as Immutable in case you are using Guest user

• Type: Bug
• Status: Closed
• Resolution: Fixed
• Affects Version/s: 7.2.0 GA1, 7.2.10 DXP GA1, 7.2.X, Master
• Fix Version/s: 7.2.10 DXP FP5, 7.2.10.2 DXP SP2, 7.2.X, 7.3.1 CE GA2, 7.3.2 CE GA3, 7.3.10 DXP GA1, Master
• Component/s: Web Search > Search Widgets
• Labels:
  • ee-ts
  • liferay-dxp-72-sp2
  • liferay-fixpack-dxp-5-7210
• Branch Version/s:
  7.2.x
• Backported to Branch:
  Committed
• Fix Priority: 3
• Sprint: Search|S03 Sprint 13| 3.16-4.6
• Git Pull Request: https://github.com/brianchandotcom/liferay-portal/pull/86574

Steps to reproduce

1. Create a site
2. Create a webcontent called "test"
3. Create a new widget page
4. Add "Custom Filter", "Modified Facet", "Search Bar", and "Search Results" widgets to previously created page
5. Configure "Custom Filter" as Immutable
6. Logout and open created page with a guest user
7. After page is loaded, Check browser console:
   • Expected behavior: no error is displayed in console
   • Wrong behavior: following error is written to console

     Uncaught TypeError: Cannot read property 'on' of null
      at new CustomFilter (?browserId=other&minifierType=&languageId=en_US&b=7310&t=1584050128320&/o/portal-search-web/js/se
      at 1:3439
      at 1:3440
      at args.<computed> (combo?browserId=other&minifierType=js&languageId=en_US&b=7310&t=1584050128320&/o/frontend-js-aui-w
      at YUI._notify (combo?browserId=other&minifierType=js&languageId=en_US&b=7310&t=1584050128320&/o/frontend-js-aui-web/a
      at combo?browserId=other&minifierType=js&languageId=en_US&b=7310&t=1584050128320&/o/frontend-js-aui-web/aui/aui/aui.js
      at YUI._notify (combo?browserId=other&minifierType=js&languageId=en_US&b=7310&t=1584050128320&/o/frontend-js-aui-web/a
      at YUI.handleLoader (combo?browserId=other&minifierType=js&languageId=en_US&b=7310&t=1584050128320&/o/frontend-js-aui-
      at Y.Loader._finish (combo?browserId=other&minifierType=js&languageId=en_US&b=7310&t=1584050128320&/o/frontend-js-aui-

8. Search "test" word => previous created webcontent will be returned
9. Go to "last modified" facet => Custom Rage
10. Click on From/To dates:
    • Expected behavior: calendar selector is displayed
    • Wrong behavior: calendar selector is not displayed and error is displayed in console again