Unable to rename search filters by double-clicking or using rename shortcut

Steps to Repro:
1. Create new or open attached project
2. Project window > right click project window tab
3. select two column layout
4. Favorites> select any filter
5. Double click on the filter name or press F2 for windows / Enter for Mac

Actual Result:
Rename functionality doesn't turn on

Expected Result:
Rename functionality should turn on double clicking the filter name or by hitting rename shortcut

Occurring with:
2018.2.0a7, 2018.2.0a5

Working with :
2018.2.0a4, 2018.2.0a1, 2018.1.0b13

Environment:
Windows 10, Mac 10.13