share: fix jpeg on public link

lib/Controller/ImageController.php

@@ -262,6 +262,8 @@ class ImageController extends ApiBase
      *
      * @NoCSRFRequired
      *
+     * @PublicPage
+     *
      * Get a full resolution JPEG for editing from a file.
      */
     public function jpeg(string $id)

src/services/API.ts

@@ -107,7 +107,7 @@ export class API {
   }
 
   static IMAGE_JPEG(id: number) {
-    return gen(`${BASE}/image/jpeg/{id}`, { id });
+    return tok(gen(`${BASE}/image/jpeg/{id}`, { id }));
   }
 
   static VIDEO_TRANSCODE(fileid: number, file = "index.m3u8") {