fix(core): fix throw if aborted polyfill (#10321)

blocksuite/framework/sync/src/utils/throw-if-aborted.ts

@@ -1,7 +1,7 @@
 // because AbortSignal.throwIfAborted is not available in abortcontroller-polyfill
 export function throwIfAborted(abort?: AbortSignal) {
   if (abort?.aborted) {
-    throw new Error(abort.reason);
+    throw abort.reason;
   }
   return true;
 }