fix: only firing update status when image is not 'not-started'

backend/schema.sql

@@ -111,7 +111,9 @@ $$ LANGUAGE plpgsql;
 CREATE OR REPLACE FUNCTION notify_new_processing_image_status()
 RETURNS TRIGGER AS $$
 BEGIN
+    IF NEW.status <> 'not-started' THEN
         PERFORM pg_notify('new_processing_image_status', NEW.id::text || NEW.status::text);
+    END IF;
 	RETURN NEW;
 END
 $$ LANGUAGE plpgsql;