PLT-7978 Add websocket event for user role update (#7745)

* Add websocket event for user role update

* Fix tests

* More test fixes

api/team_test.go

@@ -395,7 +395,7 @@ func TestGetAllTeamListings(t *testing.T) {
 		}
 	}
 
-	th.App.UpdateUserRoles(user.Id, model.ROLE_SYSTEM_ADMIN.Id)
+	th.App.UpdateUserRoles(user.Id, model.ROLE_SYSTEM_ADMIN.Id, false)
 
 	Client.Login(user.Email, "passwd1")
 	Client.SetTeamId(team.Id)