fix migrations

Fix #8363

packages/backend/migration/1603095701770-refine-abuse-user-report2.js

@@ -1,6 +1,6 @@
-"use strict";
-Object.defineProperty(exports, "__esModule", { value: true });
-class refineAbuseUserReport21603095701770 {
+
+
+export class refineAbuseUserReport21603095701770 {
     constructor() {
         this.name = 'refineAbuseUserReport21603095701770';
     }
@@ -17,4 +17,3 @@ class refineAbuseUserReport21603095701770 {
         await queryRunner.query(`ALTER TABLE "abuse_user_report" DROP COLUMN "targetUserHost"`);
     }
 }
-exports.refineAbuseUserReport21603095701770 = refineAbuseUserReport21603095701770;