fix migrations

Fix #8363

packages/backend/migration/1580331224276-v12-11.js

@@ -1,6 +1,6 @@
-"use strict";
-Object.defineProperty(exports, "__esModule", { value: true });
-class v12111580331224276 {
+
+
+export class v12111580331224276 {
     constructor() {
         this.name = 'v12111580331224276';
     }
@@ -15,4 +15,3 @@ class v12111580331224276 {
         await queryRunner.query(`ALTER TABLE "instance" ADD "isMarkedAsClosed" boolean NOT NULL DEFAULT false`, undefined);
     }
 }
-exports.v12111580331224276 = v12111580331224276;