Description:
OS:Arch Linux
Kernel:5.0
Gnome 3.32 + Wayland

Gnome 3.32 brings a new feature such that users can choose their monitor scaling value,which include values at 125%, 150%, 175% and 200%.. 

I scaled my monitor from 100% to 125%
After doing this,the slideshow came wrong,it just pop up a small window with presentation.
When I change the value to 100%, everything does well.
Although it's an experimental feature in Gnome 3.32 with Wayland, I hope the developers of Libreoffice can fix my problem.
Thanks!

Steps to Reproduce:
1.Set the monitor scaling value to 125%(Using Gnome Control Center under Gnome 3.32+Wayland)
2.Open a slide(.ppt) with Impress
3.Use Slide Show(F5)


Actual Results:
Pop up a small window with presentation

Expected Results:
Full screen in presentation


Reproducible: Always


User Profile Reset: No



Additional Info:
Version: 6.2.1.2
Build ID: 6.2.1-1
CPU threads: 8; OS: Linux 5.0; UI render: default; VCL: gtk3; 
Locale: zh-TW (zh_TW.UTF-8); UI-Language: en-US
Calc: threaded