No "Back" Button Available for "My Sites" portlet

• Type: Bug
• Status: Closed
• Resolution: Won't Fix
• Affects Version/s: Master
• Fix Version/s: None
• Component/s: Navigation Widgets > My Sites widget, ~ [Archived] Sites Management
• Labels:
  • Nolan_Chan
• Fix Priority: 1
• Git Pull Request: https://github.com/juliocamarero/liferay-portal/pull/4327

Description:
After searching for a string, there is no back button for the "My Sites" portlet.
Client expects a back button that would take them back to the original view of the portlet
NOTE: This is NOT the "My Sites Directory" portlet (this one does have a "Back" button).

Steps to reproduce:
1. Install de-7 in a DXP bundle
2. Add a "My Sites" portlet onto a page
3. Search for a string
Result: No "back" button for this portlet.

Results of Testing:
Expected Results: "Back" Button exists for "My Sites" portlet
Actual Results: No "Back" Button for "My Sites" portlet