PPP in convergence: window's size locked to internal screen size
### Describe your issue
In convergence,external screen as primary 100 % ,internal screen 200 % landscape.
Resize a mobile app on external screen is adjustable at max to the size of the internal screen.
only way to maximize is to stick it on a side for half screen size or top to gull screen size.
### How reproducible is the bug?
always
### Steps to reproduce the bug
1. open configuration
2. try to resize the windows
3. it get back to his original size or not more than the internal screen
### What device are you using?
PPP EE
Distributor ID: Debian Description: Debian GNU/Linux bookworm/sid Release: testing Codename: bookworm
Linux phone 5.19-rockchip #1 SMP PREEMPT_DYNAMIC Sun Aug 14 01:52:45 UTC 2022 aarch64 GNU/Linux
### Which mobian repository are you using?
deb https://repo.mobian.org/ staging main non-free
### How did you get your Mobian Image?
* calamares installer
### Screenshots if relevant

issue