[Refactor] Roll out stream helpers to base OpenAI specs #3701

Job	Run time
check-translations	43s
invisible-chars	6s
platform-unit-test (windows-latest)	11m 40s
platform-unit-test (ubuntu-latest)	4m 16s
knip	48s
dependency-review	7s
compile	1m 56s
	19m 36s

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