Fix pack identifier and downloading of packs #317

Job	Run time
build-flatpak	2m 22s
build-ipa (iOS)	6m 46s
build-linux	4m 7s
build-macos	6m 2s
build-windows	7m 44s
build-server (ubuntu-24.04, linux)	1m 3s
deploy-to-play-store	0s
build-server (windows-2022, windows)	4m 31s
build-server (macos-latest, macos)	1m 41s
build-apk	6m 40s
deploy	55s
	41m 51s

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