camera: support multiple cameras within one instance #4279

Job	Run time
ubuntu-20.04 (non-mavsdk_server, hunter)	5m 2s
ubuntu-22.04 (non-mavsdk_server, hunter)	4m 29s
alpine 3.19.0 (musl)	40m 27s
ubuntu-24.04 (non-mavsdk_server, hunter)	4m 33s
ubuntu-20.04 (package, non-mavsdk_server)	3m 43s
Coverage (ubuntu-22.04)	8m 18s
ubuntu-22.04 (package, non-mavsdk_server)	6m 28s
ubuntu-24.04 (package, non-mavsdk_server)	6m 54s
linux-armv6	7m 12s
linux-armv6-musl	37m 54s
ubuntu-24.04 (style and proto check)	27m 23s
linux-armv7	7m 34s
linux-armv7l-musl	38m 0s
linux-arm64	3m 40s
linux-arm64-musl	30m 11s
ubuntu-20.04 (non-mavsdk_server, non-superbuild)	2m 29s
linux-arm64-lts	6m 35s
ubuntu-20.04 (mavsdk_server, superbuild)	2m 19s
ubuntu-22.04 (non-mavsdk_server, non-superbuild)	6m 43s
ubuntu-22.04 (mavsdk_server, superbuild)	39m 35s
ubuntu-24.04 (non-mavsdk_server, non-superbuild)	7m 29s
ubuntu-24.04 (mavsdk_server, superbuild)	45m 40s
android-arm	21m 38s
ubuntu-24.04 (mavsdk_server, superbuild)	12m 10s
android-arm64	21m 33s
ios	1h 34m 13s
ubuntu-24.04 (mavsdk_server, superbuild)	43m 51s
android-x86	21m 36s
ios_simulator_x64	52m 29s
android-x86_64	21m 35s
ios_simulator_arm64	1h 30m 42s
macOS x64	43m 54s
Windows	1h 17m 0s
macOS arm64	25m 58s
macOS framework x64	1h 8m 24s
macOS framework arm64	21m 49s
iOS XCFramework	0s
	15h 59m 30s

Provide feedback