* PLT-4167 Team Sidebar
* Address feedback from PM
* change route from my_members to members
* bug fixes
* Updating styles for teams sidebar (#4681)
* Added PM changes
* Fix corner cases
* Addressing feedback
* use two different endpoints
* Bug fixes
* Rename model and client functions, using preferences to store last team and channel viewed
* Fix mobile notification count and closing the team sidebar
* unit test, fixed bad merge and retrieve from cached when available
* bug fixes
* use id for last channel in preferences, query optimization
* Updating multi team css (#4830)
