If you uninstall the patches, all other will be back.
EDIT: Sorry, you are right. If you uninstall the module, ThemeManager will NOT work. In this case you must dirty re-flast the ROM. Sorry for this.
I will try to correct
Do you have v. 11.0.10.0 installed?
Any other magisk module installed?
As you can see in my pictures, the icons are there.
As for super wallpapers, you must install the officials, not the patched (for all android devices).
Here is a big collection of patches ONLY for Redmi Note 9S (curtana) and ONLY for xiaomi.eu 11.0.10.0 (stable).
GENERAL
Different volume for calls and notifications.
Add a switch to change the notification sound in the pop-up sound window (using the volume buttons)
Full activation of "My...