takePersistableUriPermission method not persisting permissions for a selected directory

[lmj0011]

After selecting multiple files and choosing a directory to save the file to, a prompt to "Allow Save to access files in [selected directory]" is asked every time.

Attempts were made using the methods described here without success.

area of interest: https://github.com/lmj0011/save-on-device/blob/v0.4.0/app/src/main/java/name/lmj001/saveondevice/MainActivity.kt#LL73C9-L111C9