fix migrations

Fix #8363

packages/backend/migration/1605408971051-comments.js

@@ -1,6 +1,6 @@
-"use strict";
-Object.defineProperty(exports, "__esModule", { value: true });
-class comments1605408971051 {
+
+
+export class comments1605408971051 {
     constructor() {
         this.name = 'comments1605408971051';
     }
@@ -431,4 +431,3 @@ class comments1605408971051 {
         await queryRunner.query(`COMMENT ON COLUMN "log"."createdAt" IS NULL`);
     }
 }
-exports.comments1605408971051 = comments1605408971051;