Some kart-data-ls improvements #5515

Job	Run time
Windows 2019/x64	22m 47s
Build Linux package amd64	20m 34s
Build Linux package arm64	40m 2s
Build Linux dev	21m 21s
macOS 12/x86_64	1h 14m 40s
Build Linux dev+vendor	2m 47s
Install-check: tgz-ubuntu-22.04/amd64	37s
Install-check: ubuntu-22.04/amd64	34s
Install-check: ubuntu-20.04/amd64	43s
Install-check: ubuntu-18.04/amd64	49s
Install-check: debian-stable/amd64	39s
Install-check: debian-oldstable/amd64	38s
Install-check: amazonlinux-2023/amd64	47s
Install-check: fedora-latest/amd64	1m 39s
Install-check: almalinux-9/amd64	52s
Install-check: almalinux-8/amd64	39s
Install-check: tgz-ubuntu-22.04/arm64	37s
Install-check: ubuntu-22.04/arm64	37s
Install-check: ubuntu-20.04/arm64	43s
Install-check: ubuntu-18.04/arm64	52s
Install-check: debian-stable/arm64	38s
Install-check: debian-oldstable/arm64	50s
Install-check: amazonlinux-2023/arm64	43s
Install-check: fedora-latest/arm64	1m 19s
Install-check: almalinux-9/arm64	44s
Install-check: almalinux-8/arm64	57s
	3h 18m 8s

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