Merge pull request #3563 from overleaf/ta-file-create-error-fix

[ReactFileTree] Fix Error Handling on File Create

GitOrigin-RevId: 42b670b9a4011b53d193f9973bc6bc116607b469

services/web/frontend/js/features/file-tree/contexts/file-tree-actionable.js

@@ -282,7 +282,7 @@ export function useFileTreeActionable() {
           new CustomEvent('FileTreeReactBridge.openNewFileModal', {
             detail: {
               error: true,
-              data: error.info.responseBody
+              data: error.message
             }
           })
         )