CI/CD

server: refactor video highlighting, fix videos not getting highlighted in add previews #3380

Job	Run time
lint (18.x)	3m 18s
test (18.x)	3m 12s
typos	6s
test (20.x)	3m 9s
grafana-compatibilitycheck (ott-vis-panel)	2m 28s
grafana-compatibilitycheck (ott-vis-datasource)	2m 33s
Deploy docker image	0s
Deploy Monolith on fly.io (staging)	0s
Deploy Monolith on fly.io (prod)	0s
Deploy Balancer on fly.io (staging)	0s
Deploy Balancer on fly.io (prod)	0s
	14m 46s

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