The Look and Feel settings in file are inconsistent with in portal when content page template based on custom master

• Type: Bug
• Status: Closed
• Resolution: Won't Fix
• Affects Version/s: Master
• Fix Version/s: None
• Component/s: WCM
• Labels: None
• Fix Priority: 3
• Git Pull Request: https://github.com/ruben-pulido/liferay-portal/pull/218

Step to reproduce:

1. Site admin > Site Builder > Pages Templates > Masters tab
2. Add a custom master
3. Click Look and Feel button from the sidebar

   Show Footer: True
   Show Header: True
   Show Header Search: True
   Show Maximize/Minimize Application Links: False
   Wrap Widget Page Content: True
   

4. Back to page editor
5. Publish the custom master
6. Site admin > Site Builder > Pages Templates > Pages Templates tab
7. Add a new collection
8. Add a new content page template based on custom master
9. Publish it
10. Export the content page template
11. Open the page-template.json file

Expected Results:

    "themeSettings" : {
      "lfr-theme:regular:show-header" : "true",
      "lfr-theme:regular:show-maximize-minimize-application-links" : "false"
      "lfr-theme:regular:wrap-widget-page-content" : "true",
      "lfr-theme:regular:show-header-search" : "true",
      "lfr-theme:regular:show-footer" : "true"
    }

Actual Results:

    "themeSettings" : {
      "lfr-theme:regular:show-header" : "false",
      "lfr-theme:regular:wrap-widget-page-content" : "false",
      "lfr-theme:regular:show-header-search" : "false",
      "lfr-theme:regular:show-footer" : "false"
    }

Reproduced on:
Tomcat 9.0.17 + MySQL 5.7. Portal master GIT ID: 5424b300cd2d393e8a9d047b41c26cfb7c68bf2e.