sync KDInstallLocation.cmake to upstream #1106

Job	Run time
build (ubuntu-latest, ci-dev-qt5, 5.15)	25m 56s
build (ubuntu-latest, ci-release-qt5, 5.15)	2m 45s
build (ubuntu-latest, ci-qtwidgets-qt5, 5.15)	2m 15s
build (ubuntu-latest, ci-qtquick-qt5, 5.15)	2m 17s
build (ubuntu-latest, ci-dev-qt6, 6.3.*)	22m 57s
build (ubuntu-latest, ci-release-qt6, 6.3.*)	3m 8s
build (ubuntu-latest, ci-qtwidgets-qt6, 6.3.*)	2m 31s
build (ubuntu-latest, ci-qtquick-qt6, 6.3.*)	2m 37s
build (windows-latest, ci-dev-qt5, 5.15)	26m 37s
build (windows-latest, ci-release-qt5, 5.15)	3m 39s
build (windows-latest, ci-qtwidgets-qt5, 5.15)	2m 37s
build (windows-latest, ci-qtquick-qt5, 5.15)	3m 3s
build (windows-latest, ci-dev-qt6, 6.3.*)	25m 26s
build (windows-latest, ci-release-qt6, 6.3.*)	4m 59s
build (windows-latest, ci-qtwidgets-qt6, 6.3.*)	2m 54s
build (windows-latest, ci-qtquick-qt6, 6.3.*)	3m 6s
build (macos-latest, ci-dev-qt5, 5.15)	29m 17s
build (macos-latest, ci-release-qt5, 5.15)	3m 8s
build (macos-latest, ci-qtwidgets-qt5, 5.15)	4m 22s
build (macos-latest, ci-qtquick-qt5, 5.15)	2m 12s
build (macos-latest, ci-dev-qt6, 6.3.*)	22m 54s
build (macos-latest, ci-release-qt6, 6.3.*)	6m 26s
build (macos-latest, ci-qtwidgets-qt6, 6.3.*)	2m 47s
build (macos-latest, ci-qtquick-qt6, 6.3.*)	2m 27s
build (ubuntu-latest, ci-python-qt6, 6.6.0, 0, llvm, shiboken6-generator==6.6.0 pyside6==6.6.0)	3m 49s
	3h 34m 9s

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