LibJS: Convert NumberObject::create() to NonnullGCPtr

Author: https://github.com/linusg
Commit: f990095728
Pull-request: https://github.com/SerenityOS/serenity/pull/16479
Reviewed-by: https://github.com/davidot ✅

Userland/Libraries/LibJS/Runtime/Value.cpp

@@ -523,7 +523,7 @@ ThrowCompletionOr<Object*> Value::to_object(VM& vm) const
     // Number
     if (is_number()) {
         // Return a new Number object whose [[NumberData]] internal slot is set to argument. See 21.1 for a description of Number objects.
-        return NumberObject::create(realm, as_double());
+        return NumberObject::create(realm, as_double()).ptr();
     }
 
     switch (m_value.tag) {