Update filebrowser

packages/filebrowser/src/listing.ts

@@ -396,9 +396,6 @@ class DirListing extends Widget {
       }
     }
     return Promise.all(promises).catch(error => {
-      if (error.throwError) {
-        error.message = error.throwError;
-      }
       utils.showErrorMessage('Duplicate file', error);
     });
   }

packages/filebrowser/src/utils.ts

@@ -33,7 +33,7 @@ function showErrorMessage(title: string, error: any): Promise<void> {
   console.error(error);
   let options = {
     title: title,
-    body: error.throwError || error.message || `File ${title}`,
+    body: error.message || `File ${title}`,
     buttons: [Dialog.okButton()],
     okText: 'DISMISS'
   };