Improve keybinding storage #1046

Job	Run time
lint	32s
test	10m 16s
docker-build	48s
build (linux, amd64)	14s
build (linux, arm64)	11s
build (linux, arm)	10s
build (linux, 386)	16s
build (windows, amd64)	12s
build (windows, 386)	16s
build (windows, arm)	12s
build (darwin, arm64)	15s
build (windows, arm64)	11s
build (darwin, amd64)	10s
integration-test-serverside (f0023141ec429d912e329665f937d05b178a3fee)	1m 57s
integration-test-clientside (v0.13.2)	1m 40s
analyze	1m 32s
	18m 52s

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