Fix drop lastViewedAt migration order for fresh databases.

Run the column drop after AddUploadTable so TypeORM does not execute ALTER before uploads exists.

backend/src/database/migrations/1791230839247-drop-upload-last-viewed-at.ts

@@ -1,7 +1,7 @@
 import { MigrationInterface, QueryRunner } from 'typeorm';
 
-export class DropUploadLastViewedAt1761582000000 implements MigrationInterface {
-    name = 'DropUploadLastViewedAt1761582000000';
+export class DropUploadLastViewedAt1791230839247 implements MigrationInterface {
+    name = 'DropUploadLastViewedAt1791230839247';
 
     public async up(queryRunner: QueryRunner): Promise<void> {
         await queryRunner.query(`ALTER TABLE "uploads" DROP COLUMN "lastViewedAt"`);