[Refactor] Roll out stream helpers to base OpenAI specs #3702

Job	Run time
compile	2m 13s
platform-unit-test (ubuntu-latest)	1m 9s
dependency-review	7s
knip	46s
platform-unit-test (windows-latest)	2m 15s
check-translations	32s
invisible-chars	8s
	7m 10s

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