Merge branch 'wip/236-return-of-the-menubar' into 'master'

Fix the MainWindow's menu bar showing up again

Closes #236

See merge request !115
4 jobs for master in 9 minutes and 19 seconds (queued for 3 seconds)
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passed #220085
fedora

00:04:22

passed #220086
ubuntu

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  Test
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deb-package

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passed #220088
flatpak

00:04:56