Portlets with render-weight zero cannot be moved/removed on customizable pages

• Type: Bug
• Status: Closed
• Resolution: Fixed
• Affects Version/s: 6.2.X EE, 7.0.0 M3
• Fix Version/s: 6.2.2 CE GA3 , 6.2.X EE, 7.0.0 M1
• Component/s: Pages > Pages Customization
• Labels:
  • QA-TP
  • ee-ts
  • liferay-fixpack-platform-17-6210
• Branch Version/s:
  6.2.x
• Backported to Branch:
  Committed
• Story Points: 4
• Fix Priority: 3
• Git Pull Request: https://github.com/hhuijser/liferay-portal/pull/1878

Steps to Reproduce:
1. Navigate to Site Administration > Private Pages
2. Create new Page
3. Select Customization Settings
4. Select both columns
5. Navigate to the new private page
6. Add the RSS Portlet and an Asset Publisher
7. Refresh the page

Expected Result: User is able to move RSS Portlet and Asset Publisher Portlet.
Actual Result: User cannot move the RSS Portlet, but the user can move the Asset Publisher.