Icons: Add label search support to WP_Icons_Registry #33546

Job	Run time
Determine Matrix	4s
Single Site Memcached / Test before	13m 24s
Single Site Memcached / Test current	12m 50s
Single Site Default / Test before	13m 11s
Multisite Memcached / Test current	13m 47s
Multisite Default / Test before	13m 17s
Multisite Default / Test current	12m 59s
Single Site Default / Test current	12m 54s
Multisite Memcached / Test before	13m 4s
Compare / Multisite Default	18s
Compare / Single Site Memcached	11s
Compare / Single Site Default	11s
Compare / Multisite Memcached	15s
Slack Notifications	0s
Failed workflow tasks	0s
	1h 46m 25s

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