[Bug]: Layout issues when running under wayland

[wmlele]

Checks before filing an issue

• [X] This issue doesn't reproduce on web browsers (such as in Chrome). If it does, issue reports go to the Mattermost Server repository.
• [X] I have checked the issue tracker and have not found an issue that matches the one I'm filing.
• [X] This issue is not a troubleshooting question. Troubleshooting questions go here: https://forum.mattermost.com/c/trouble-shoot/16.
• [X] This issue is not a feature request. You can request features and make product suggestions here: https://mattermost.com/suggestions/.
• [X] This issue reproduces on the most recent stable version, or the most recent prerelease version of the Mattermost Desktop App.
• [X] I have read the contribution guidelines.

Mattermost Desktop Version

5.7.0

Operating System

openSUSE Leap 15.6

Mattermost Server Version

9.8.1

Steps to reproduce

Running mattermost-desktop on Linux under wayland with

ELECTRON_OZONE_PLATFORM_HINT=wayland

Fractional scaling might also be a factor.

Expected behavior

Layout should remain the same regardless of the rendering platform.

Observed behavior

The layout changes as soon as the application loses focus.

Layout of the input bar at startup (or after a manual reload)

As soon as I click on another app and the mattermost-desktop is unfocused

Log Output

[no relevant log output]

Additional Information

No response