Media: guard attachment icon size lookup #35120

Job	Run time
Determine Matrix	3s
Single Site Default / Test current	13m 58s
Multisite Default / Test before	14m 7s
Single Site Memcached / Test before	14m 6s
Single Site Memcached / Test current	14m 36s
Single Site Default / Test before	13m 43s
Multisite Memcached / Test current	14m 14s
Multisite Memcached / Test before	14m 8s
Multisite Default / Test current	14m 17s
Compare / Multisite Memcached	17s
Compare / Single Site Default	12s
Compare / Multisite Default	12s
Compare / Single Site Memcached	19s
Slack Notifications	0s
Failed workflow tasks	0s
	1h 54m 12s

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