refactor(server): decouple generated images from image formats (#8246)

* rename

thumbnail config

update target paths, fix tests

rename to image settings

replace legacy enum

better typing

update sql

update api

remove config option

fix

* update docs

* update other thumbnail configs in migration

* keep legacy enum for now

* fix jumbled job names

* fix jumbled job names in tests

* rename thumbhash job

* rename dto

* fix tests

* preserve order

* remove unused import

* keep old fields in dto, marked deprecated

* update sql

---------

Co-authored-by: Alex Tran <alex.tran1502@gmail.com>

server/src/services/system-config.service.spec.ts

@@ -4,6 +4,7 @@ import {
   AudioCodec,
   CQMode,
   Colorspace,
+  ImageFormat,
   LogLevel,
   SystemConfig,
   SystemConfigEntity,
@@ -119,9 +120,11 @@ const updatedConfig = Object.freeze<SystemConfig>({
     hashVerificationEnabled: true,
     template: '{{y}}/{{y}}-{{MM}}-{{dd}}/{{filename}}',
   },
-  thumbnail: {
-    webpSize: 250,
-    jpegSize: 1440,
+  image: {
+    thumbnailFormat: ImageFormat.WEBP,
+    thumbnailSize: 250,
+    previewFormat: ImageFormat.JPEG,
+    previewSize: 1440,
     quality: 80,
     colorspace: Colorspace.P3,
   },