chore(server): save original file name with extension (#7679)

* chore(server): save original file name with extension

* extract extension

* update e2e test

* update e2e test

* download archive

* fix download archive appending name

* pr feedback

* remove unused code

* test

* unit test

* remove unused code

* migration

* noops

* pr feedback

* Update server/src/domain/download/download.service.ts

Co-authored-by: Mert <101130780+mertalev@users.noreply.github.com>

---------

Co-authored-by: Mert <101130780+mertalev@users.noreply.github.com>

server/src/infra/migrations/1709763765506-AddExtensionToOriginalFileName.ts

@@ -0,0 +1,20 @@
+import { MigrationInterface, QueryRunner } from 'typeorm';
+
+export class AddExtensionToOriginalFileName1709763765506 implements MigrationInterface {
+  public async up(queryRunner: QueryRunner): Promise<void> {
+    await queryRunner.query(`
+      WITH extension AS (WITH cte AS (SELECT a.id, STRING_TO_ARRAY(a."originalPath", '.')::TEXT[] AS arr
+      FROM assets a)
+      SELECT cte.id, cte.arr[ARRAY_UPPER(cte.arr, 1)] AS "ext"
+      FROM cte)
+      UPDATE assets
+      SET "originalFileName" = assets."originalFileName" || '.' || extension."ext"
+      FROM extension
+      INNER JOIN assets a ON a.id = extension.id;
+      `);
+  }
+
+  public async down(): Promise<void> {
+    // noop
+  }
+}