LibJS+LibWeb: Devirtualize may_interfere_with_indexed_property_access()

Author: https://github.com/iliadsh
Commit: 89da731aa6
Pull-request: https://github.com/SerenityOS/serenity/pull/21858
Reviewed-by: https://github.com/awesomekling

Userland/Libraries/LibJS/Runtime/StringObject.cpp

@@ -30,7 +30,7 @@ NonnullGCPtr<StringObject> StringObject::create(Realm& realm, PrimitiveString& p
 }
 
 StringObject::StringObject(PrimitiveString& string, Object& prototype)
-    : Object(ConstructWithPrototypeTag::Tag, prototype)
+    : Object(ConstructWithPrototypeTag::Tag, prototype, MayInterfereWithIndexedPropertyAccess::Yes)
     , m_string(string)
 {
 }