Admin & Customizer: Fix type casting for version string and aria-pressed attribute #33208

Job	Run time
Determine Matrix	4s
Single Site Default / Test before	15m 21s
Single Site Memcached / Test before	15m 24s
Multisite Memcached / Test current	14m 57s
Multisite Default / Test current	15m 6s
Single Site Default / Test current	15m 10s
Multisite Memcached / Test before	15m 20s
Multisite Default / Test before	15m 2s
Single Site Memcached / Test current	14m 50s
Compare / Single Site Default	15s
Compare / Multisite Default	15s
Compare / Single Site Memcached	21s
Compare / Multisite Memcached	20s
Slack Notifications	0s
Failed workflow tasks	0s
	2h 2m 25s

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