Adds includeDeleted flag to get remote cluster app and store methods (#28182)

server/channels/store/store.go

@@ -535,7 +535,7 @@ type RemoteClusterStore interface {
 	Save(rc *model.RemoteCluster) (*model.RemoteCluster, error)
 	Update(rc *model.RemoteCluster) (*model.RemoteCluster, error)
 	Delete(remoteClusterId string) (bool, error)
-	Get(remoteClusterId string) (*model.RemoteCluster, error)
+	Get(remoteClusterId string, includeDeleted bool) (*model.RemoteCluster, error)
 	GetByPluginID(pluginID string) (*model.RemoteCluster, error)
 	GetAll(offset, limit int, filter model.RemoteClusterQueryFilter) ([]*model.RemoteCluster, error)
 	UpdateTopics(remoteClusterId string, topics string) (*model.RemoteCluster, error)