fix(library): fix RAW develop fallback & optimize STUDIO to LIBRARY transition speed

docker/frontend/src/engine/rawDevelop.ts

@@ -664,8 +664,12 @@ export async function developRaw(bytes: Uint8Array): Promise<Uint8Array> {
     // The preview still opens the file when the sensor will not: a RAW whose
     // colour data is missing (some DNG) is not a RAW that cannot be shown.
     if (preview) return preview;
+    const fallback = await rawThumbnail(bytes).catch(() => null);
+    if (fallback) return fallback;
     throw err;
   } finally {
-    raw.dispose();
+    try {
+      raw.dispose();
+    } catch {}
   }
 }