HTML API: Refactor `wp_kses_hair()` #22873

Job	Run time
Gutenberg running from build / Linux	8m 45s
Gutenberg running from src / Linux	8m 51s
Gutenberg running from build / MacOS	15m 40s
Core running from src / Linux	2m 38s
Core running from build / Linux	2m 38s
Gutenberg running from src / MacOS	14m 9s
Core running from build / Windows	4m 43s
Core running from src / MacOS	2m 53s
Core running from src / Windows	3m 55s
Core running from build / MacOS	3m 15s
Gutenberg running from build / Windows	13m 43s
Gutenberg running from src / Windows	12m 34s
Failed workflow tasks	0s
Slack Notifications	0s
	1h 33m 44s

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