fix(web): include nested error field in VERSION_CONFLICT unwrap typing

Co-authored-by: Cursor <cursoragent@cursor.com>

web/src/api/projectSettingsError.ts

@@ -30,6 +30,7 @@ export class ProjectSettingsApiError extends Error {
 }
 
 function unwrapNestedBusinessError(raw: string | undefined): {
+  error?: string;
   code?: string;
   message?: string;
   issues?: ProjectSettingsIssue[];