At this point, there’s not much things to offer and it really depends on the quality team decision if they like the project or not. If they don’t like the project, you’d be getting the rejection anyway and it’s not gonna make any difference what we could suggest “before” upload.
The all procedure is called “review procedure” and it really depends on another persons time to check your item quality before submission. As this is not the “main” issue before submission and if it’s related to coding, they will give you an opportunity to fix your issues - with soft rejection message with the details of the issues you need to get it fix.
I have already responded on your another thread: