feat(web/server): webp thumbnail size configurable (#3598)

* feat(server/web): webp thumbnail size configurable

* update api

* add ui and fix test

* lint

* setting for jpeg size

* feat: coerce to number

* api

* jpeg resolution

---------

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

server/immich-openapi-specs.json

@@ -6590,6 +6590,9 @@
           },
           "storageTemplate": {
             "$ref": "#/components/schemas/SystemConfigStorageTemplateDto"
+          },
+          "thumbnail": {
+            "$ref": "#/components/schemas/SystemConfigThumbnailDto"
           }
         },
         "required": [
@@ -6597,7 +6600,8 @@
           "oauth",
           "passwordLogin",
           "storageTemplate",
-          "job"
+          "job",
+          "thumbnail"
         ],
         "type": "object"
       },
@@ -6828,6 +6832,21 @@
         ],
         "type": "object"
       },
+      "SystemConfigThumbnailDto": {
+        "properties": {
+          "jpegSize": {
+            "type": "integer"
+          },
+          "webpSize": {
+            "type": "integer"
+          }
+        },
+        "required": [
+          "webpSize",
+          "jpegSize"
+        ],
+        "type": "object"
+      },
       "TagResponseDto": {
         "properties": {
           "id": {