Fix incorrect typecheck that fails on undefined

web/apps/photos/src/services/machineLearning/mlWorkManager.ts

@@ -186,8 +186,7 @@ class MLWorkManager {
             return mlWorker.syncLocalFile(token, userID, enteFile, localFile);
         });
 
-        // @ts-expect-error "TODO: Fix ML related type errors"
-        if ("message" in result) {
+        if (result instanceof Error) {
             // TODO: redirect/refresh to gallery in case of session_expired
             // may not be required as uploader should anyways take care of this
             console.error("Error while syncing local file: ", result);