feat: add js_trim() and mb_trim() compat #29174

Job	Run time
Core running from src / Windows	3m 37s
Core running from src / Linux	2m 22s
Core running from build / Linux	2m 25s
Core running from build / MacOS	2m 49s
Core running from src / MacOS	2m 37s
Core running from build / Windows	3m 41s
Slack Notifications	0s
Failed workflow tasks	0s
	17m 31s

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