LibWeb/IDB: Initialize the index set in a ObjectStore handle

Author: https://github.com/stelar7
Commit: 2774068ca0
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/4524
Reviewed-by: https://github.com/gmta ✅

Libraries/LibWeb/IndexedDB/IDBObjectStore.cpp

@@ -26,6 +26,9 @@ IDBObjectStore::IDBObjectStore(JS::Realm& realm, GC::Ref<ObjectStore> store, GC:
     , m_name(store->name())
 {
     transaction->add_to_scope(store);
+
+    // An object store handle has an index set, which is initialized to the set of indexes that reference the associated object store when the object store handle is created.
+    m_indexes = MUST(store->index_set().clone());
 }
 
 GC::Ref<IDBObjectStore> IDBObjectStore::create(JS::Realm& realm, GC::Ref<ObjectStore> store, GC::Ref<IDBTransaction> transaction)