chore(server): Store generated files (thumbnails, encoded video) in subdirectories (#4112)

* save thumbnails in subdirectories

* migration job, migrate assets and face thumbnails

* fix tests

* directory depth of two instead of three

* cleanup empty dirs after migration

* clean up empty dirs after migration, migrate people without assetId

* add job card for new migration job

* fix removeEmptyDirs race condition because of missing await

* cleanup empty directories after asset deletion

* move ensurePath to storage core

* rename jobs

* remove unnecessary property of IEntityJob

* use updated person getById, minor refactoring

* ensure that directory cleanup doesn't interfere with migration

* better description for job in ui

* fix remove directories when migration is done

* cleanup empty folders at start of migration

* fix: actually persist concurrency setting

* add comment explaining regex

* chore: cleanup

---------

Co-authored-by: Jason Rasmussen <jrasm91@gmail.com>

server/src/domain/server-info/server-info.service.ts

@@ -16,8 +16,8 @@ import {
 
 @Injectable()
 export class ServerInfoService {
-  private storageCore = new StorageCore();
   private configCore: SystemConfigCore;
+  private storageCore: StorageCore;
 
   constructor(
     @Inject(ISystemConfigRepository) configRepository: ISystemConfigRepository,
@@ -25,6 +25,7 @@ export class ServerInfoService {
     @Inject(IStorageRepository) private storageRepository: IStorageRepository,
   ) {
     this.configCore = new SystemConfigCore(configRepository);
+    this.storageCore = new StorageCore(storageRepository);
   }
 
   async getInfo(): Promise<ServerInfoResponseDto> {