fix(api,frontend): render files by name without fetching, previewable share links

frontend/src/lib/components/profile/SharedMedia.svelte

@@ -50,6 +50,8 @@
       kind: item.kind,
       downloaded: item.downloaded,
       fileName: item.file_name,
+      fileSize: item.file_size,
+      mime: item.mime,
     }))
   );