fix(ios): Add wait logic for dSYM generation in Xcode build phase #6257

Job	Run time
Ready-to-merge gate / Missing "ready-to-merge" label	3s
diff_check / diff_check	9s
Build ios dev dynamic-frameworks	6m 13s
Build android production no-frameworks	7m 47s
Build web	2m 57s
Build android dev no-frameworks	6m 43s
Build ios production dynamic-frameworks	7m 34s
Build ios dev no-frameworks	8m 45s
Build ios production no-frameworks	7m 22s
	47m 33s

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