feat(server): generate all thumbnails for an asset in one job (#13012)

* wip

cleanup

add success logs, rename method

do thumbhash too

fixes

fix tests

handle `notify`

wip refactor

refactor

* update tests

* update sql

* pr feedback

* remove unused code

* formatting

server/test/repositories/media.repository.mock.ts

@@ -3,8 +3,9 @@ import { Mocked, vitest } from 'vitest';
 
 export const newMediaRepositoryMock = (): Mocked<IMediaRepository> => {
   return {
-    generateThumbnail: vitest.fn(),
-    generateThumbhash: vitest.fn(),
+    generateThumbnail: vitest.fn().mockImplementation(() => Promise.resolve()),
+    generateThumbhash: vitest.fn().mockImplementation(() => Promise.resolve()),
+    decodeImage: vitest.fn().mockResolvedValue({ data: Buffer.from(''), info: {} }),
     extract: vitest.fn().mockResolvedValue(false),
     probe: vitest.fn(),
     transcode: vitest.fn(),