Writewhats this post battle js?
Resetdesire
In the toolbar while you are inside the js folder, if you have notepad++ installed should show up only 2/3 js, search in them, just use ctrl+f and then write again resetdesire.
You are searching a cluster of code near resetdesire you will find a sort of
Resetclothingdurability (if I'm not wrong should be 2/3 in like 40 lines of code)
And then add before \\
Or // do not remember which one is
Now on after every battle clothing are not restored,only when sleeping