Initial implementation of momentum for finger based scrolling on Wayland #8619

Job	Run time
CodeQL-Build (c, macos-latest)	8m 4s
CodeQL-Build (python, ubuntu-latest)	1m 32s
CodeQL-Build (actions, ubuntu-latest)	45s
CodeQL-Build (go, ubuntu-latest)	3m 8s
CodeQL-Build (c, ubuntu-latest)	4m 7s
	17m 36s

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