feat(camera): add iOS simulator camera simulation #477

Job	Run time
Client lint, build, and tests	41s
Build integration artifacts	2m 27s
Rust lint and unit tests	1m 58s
Packages and VS Code extension	29s
Android emulator integration	6m 29s
CLI simulator integration	9m 26s
WebRTC stream benchmark	7m 23s
JS API simulator integration	4m 19s
	33m 12s

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