fix(workflows): Don't return Workflows while they're being deleted #248463

Job	Run time
detect what files changed	13s
api docs test	5m 22s
cli test	1m 58s
backend migration tests	7m 12s
select tests	29s
monolith-dbs test	7m 2s
check migration	1m 7s
backend typing	5m 12s
requirements check	0s
api url typescript generation	0s
calculate test shards	13s
backend test (0)	5m 8s
Backend	3s
	33m 59s

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