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

app/plugin_api.go

@@ -173,7 +173,7 @@ func (api *PluginAPI) DeleteTeamMember(teamId, userId, requestorId string) *mode
 }
 
 func (api *PluginAPI) GetTeamMembers(teamId string, page, perPage int) ([]*model.TeamMember, *model.AppError) {
-	return api.app.GetTeamMembers(teamId, page*perPage, perPage)
+	return api.app.GetTeamMembers(teamId, page*perPage, perPage, nil)
 }
 
 func (api *PluginAPI) GetTeamMember(teamId, userId string) (*model.TeamMember, *model.AppError) {
@@ -222,7 +222,7 @@ func (api *PluginAPI) GetUserByUsername(name string) (*model.User, *model.AppErr
 }
 
 func (api *PluginAPI) GetUsersByUsernames(usernames []string) ([]*model.User, *model.AppError) {
-	return api.app.GetUsersByUsernames(usernames, true)
+	return api.app.GetUsersByUsernames(usernames, true, nil)
 }
 
 func (api *PluginAPI) GetUsersInTeam(teamId string, page int, perPage int) ([]*model.User, *model.AppError) {