client: refactor more components to use `setup` to simplify them #2741

Job	Run time
lint (18.x)	3m 34s
typos	7s
grafana-compatibilitycheck (ott-vis-panel)	2m 27s
test (18.x)	3m 14s
grafana-compatibilitycheck (ott-vis-datasource)	2m 40s
test (20.x)	3m 5s
Deploy docker image	0s
Deploy Monolith on fly.io (staging)	0s
Deploy Monolith on fly.io (prod)	0s
Deploy Balancer on fly.io (prod)	0s
Deploy Balancer on fly.io (staging)	0s
	15m 7s

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