camera: support multiple cameras within one instance #4169

Job	Run time
coverage (ubuntu-20.04)	2m 50s
alpine 3.19.0 (musl)	29m 12s
ubuntu-20.04 (package, non-mavsdk_server)	3m 23s
Ubuntu/Debian packaging (Ubuntu 20.04)	10m 36s
ubuntu-22.04 (package, non-mavsdk_server)	3m 6s
ubuntu-24.04 (package, non-mavsdk_server)	3m 18s
android-arm	17m 28s
linux-armv6	3m 32s
android-arm64	17m 15s
linux-armv6-musl	27m 54s
linux-armv7	3m 26s
ios	38m 31s
linux-armv7l-musl	27m 39s
android-x86	17m 12s
linux-arm64-musl	27m 54s
linux-arm64	3m 33s
ios_simulator_x64	33m 29s
android-x86_64	17m 17s
linux-arm64-lts	3m 17s
ios_simulator_arm64	37m 41s
macOS x64	1s
macOS arm64	14m 52s
ubuntu-20.04 (mavsdk, hunter)	7m 49s
macOS framework x64	1s
ubuntu-20.04 (non-mavsdk_server, non-superbuild)	2m 29s
ubuntu-24.04 (style and proto check)	27m 14s
macOS framework arm64	14m 59s
ubuntu-20.04 (mavsdk_server, superbuild)	22m 6s
ubuntu-22.04 (mavsdk_server, superbuild)	29m 38s
Windows	13m 55s
ubuntu-24.04 (mavsdk_server, superbuild)	16m 9s
ubuntu-24.04 (mavsdk_server, superbuild)	16m 5s
ubuntu-24.04 (mavsdk_server, superbuild)	20m 12s
iOS XCFramework	0s
	8h 34m 3s

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