Fix incompatibility with Qt 6.6 #180

Job	Run time
Code Linting / Format / Lint	11s
macOS / dmg (release, Qt 5.15.2, macos-11)	6m 0s
macOS / Build (debug, homebrew (qt5), macos-12)	3m 15s
macOS / dmg (release, Qt 6.5.2, macos-11)	9m 11s
macOS / Build (debug, homebrew (qt6), macos-12)	2m 53s
Linux / rpm (release, Qt 6, fedora:37)	3m 27s
Linux / rpm (release, Qt 6, opensuse/leap:15)	4m 29s
Linux / deb (release, Qt 5, ubuntu-20.04)	2m 12s
Linux / snap	5m 27s
Linux / deb (release, Qt 6, ubuntu-22.04)	2m 25s
Linux / deb (release, Qt 6, ubuntu:23.04)	3m 58s
Linux / AppImage (release, Qt 5.15.2, ubuntu:20.04)	9m 42s
Windows / Build (x64, release, Qt 5.15.2, windows-2019)	4m 11s
Windows / Build (x86, release, Qt 5.15.2, windows-2019)	5m 19s
Linux / AppImage (release, Qt 6.4.3, ubuntu:20.04)	6m 32s
Windows / Build (x64, release, Qt 6.4.3, windows-2019)	5m 14s
Windows / Unified x64-x86 Installer	2m 3s
	1h 16m 29s

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