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>

e2e/src/api/specs/shared-link.e2e-spec.ts

@@ -194,7 +194,7 @@ describe('/shared-link', () => {
       expect(body.assets).toHaveLength(1);
       expect(body.assets[0]).toEqual(
         expect.objectContaining({
-          originalFileName: 'example',
+          originalFileName: 'example.png',
           localDateTime: expect.any(String),
           fileCreatedAt: expect.any(String),
           exifInfo: expect.any(Object),