Mobile Device Action prioritization cannot be reordered

• Type: Bug
• Status: Closed
• Resolution: Fixed
• Affects Version/s: Master
• Fix Version/s: 7.0.0 DXP FP26, 7.0.X EE, 7.0.4 CE GA5, 7.1.X, Master
• Component/s: Portal Services, Portal Services > Mobile Device Rules
• Labels:
  • liferay-digital-enterprise-70-sp5
  • liferay-fixpack-de-26-7010
• Branch Version/s:
  7.0.x
• Backported to Branch:
  Committed
• Fix Priority: 4
• Git Pull Request: https://github.com/brianchandotcom/liferay-portal/pull/47971

Steps to Reproduce:

1. Navigate to Site > Configuration > Mobile Device Families
2. Add two Mobile Device Families
3. Select Configure Page for any site page
4. Navigate to the Advanced tab
5. Expand the Mobile Device Rules panel
6. Turn off the option for using the same rules as Public Pages
7. Add both families created in Step 2
8. Click Manage Rule Priorities
9. Change the order by dragging one of the families
10. Click Save
11. Close popup window
12. Click Save
13. Navigate back to Configure Page for the same page
14. Select Advanced tab

Expected result:
The selected prioritization of the Mobile Device Families is retained.

Actual result:
The selected prioritization is not retained. Clicking Save in only the popup window and refreshing does not show the change either.

Reproduced on:
Tomcat 8.0.32 + MySQL 5.6.
Portal master GIT ID: 2340bf972ad7381359fdc6df40e388d12c1daa52