PLT-4167 Team Sidebar (#4569)

* 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)

model/websocket_message.go

@@ -18,6 +18,7 @@ const (
 	WEBSOCKET_EVENT_DIRECT_ADDED       = "direct_added"
 	WEBSOCKET_EVENT_NEW_USER           = "new_user"
 	WEBSOCKET_EVENT_LEAVE_TEAM         = "leave_team"
+	WEBSOCKET_EVENT_UPDATE_TEAM        = "update_team"
 	WEBSOCKET_EVENT_USER_ADDED         = "user_added"
 	WEBSOCKET_EVENT_USER_UPDATED       = "user_updated"
 	WEBSOCKET_EVENT_USER_REMOVED       = "user_removed"