ref(dashboards): Extract shared heat map chart utilities #270315

Job	Run time
detect what files changed	14s
backend migration tests	0s
requirements check	0s
api docs test	0s
backend typing	0s
check migration	0s
select tests	0s
cli test	0s
api url typescript generation	0s
Backend	4s
calculate test shards	-1s
backend test	-1s
monolith-dbs test	-1s
	15s

Provide feedback