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/job/job.service.ts

@@ -76,6 +76,9 @@ export class JobService {
       case QueueName.STORAGE_TEMPLATE_MIGRATION:
         return this.jobRepository.queue({ name: JobName.STORAGE_TEMPLATE_MIGRATION });
 
+      case QueueName.MIGRATION:
+        return this.jobRepository.queue({ name: JobName.QUEUE_MIGRATION });
+
       case QueueName.OBJECT_TAGGING:
         await this.configCore.requireFeature(FeatureFlag.TAG_IMAGE);
         return this.jobRepository.queue({ name: JobName.QUEUE_OBJECT_TAGGING, data: { force } });