This seems to happen on the phone, where rotating phone lockscreen doesn't properly resize.
STEPS TO REPRODUCE
1. Start PlaMo session
3. Rotate phone
You got broken UI
Lockscreen resizes in any orientation
Created attachment 133460 [details]
Git commit 7f4d1120c56e96577e4fb43de167c06b5d57385e by Vlad Zahorodnii, on behalf of Aleix Pol.
Committed on 27/11/2020 at 08:18.
Pushed by vladz into branch 'master'.
Have clients where we've set their position as non-placeable
If the client opted to position them on purpose, don't move them around.
If the geometry of the workspace changes it's their job to react
M +5 -0 xdgshellclient.cpp
M +1 -0 xdgshellclient.h