Adding new "VIEW_MEMBERS" permissions restrict the scope of users visibility (#10487)

* MM-14138: Adding new "VIEW_MEMBERS" permissions restrict the scope of users visibility

* Fixing gofmt

* Fixing broken tests

* Addressing PR review comments from Miguel de la Cruz

* Removed hack

* A bit nicer and cleaner code in the UserBelongsToChannels function

* Adding cluster cache invalidation for user team ids

* Checking in the correct order permissions to not leek existency information

* Adding restrictions to TeamMembers and User status requests

* Fixing tests

* Fixing status endpoint permissions checks

* Adding more tests

* Fixing tests

* More tests and making the restrictions query based only on joins

* Adding more tests

* Adding more tests

* fixing merge problems

* Reverting status changes to avoid performance issues

* Adding more tests

* Fixing test

* i18n extract

* Adding extra method for get restrictions for a team

* Add the new elasticsearch functions to search users with restrictions

* Add missing translation string

* Rename restrictedChannelIds to restrictedToChannels

* Remove ToDo

* Adding the permission to the SystemAdmin role during permissions migrations

model/cluster_message.go

@@ -20,6 +20,7 @@ const (
 	CLUSTER_EVENT_INVALIDATE_CACHE_FOR_CHANNEL_BY_NAME              = "inv_channel_name"
 	CLUSTER_EVENT_INVALIDATE_CACHE_FOR_CHANNEL                      = "inv_channel"
 	CLUSTER_EVENT_INVALIDATE_CACHE_FOR_USER                         = "inv_user"
+	CLUSTER_EVENT_INVALIDATE_CACHE_FOR_USER_TEAMS                   = "inv_user_teams"
 	CLUSTER_EVENT_CLEAR_SESSION_CACHE_FOR_USER                      = "clear_session_user"
 	CLUSTER_EVENT_INVALIDATE_CACHE_FOR_ROLES                        = "inv_roles"
 	CLUSTER_EVENT_INVALIDATE_CACHE_FOR_SCHEMES                      = "inv_schemes"