MM-23605 Create new team scheme updated socket event (#14305)

model/websocket_message.go

@@ -31,6 +31,7 @@ const (
 	WEBSOCKET_EVENT_UPDATE_TEAM             = "update_team"
 	WEBSOCKET_EVENT_DELETE_TEAM             = "delete_team"
 	WEBSOCKET_EVENT_RESTORE_TEAM            = "restore_team"
+	WEBSOCKET_EVENT_UPDATE_TEAM_SCHEME      = "update_team_scheme"
 	WEBSOCKET_EVENT_USER_ADDED              = "user_added"
 	WEBSOCKET_EVENT_USER_UPDATED            = "user_updated"
 	WEBSOCKET_EVENT_USER_ROLE_UPDATED       = "user_role_updated"