camera: support multiple cameras within one instance #4273

Job	Run time
ubuntu-20.04 (non-mavsdk_server, hunter)	4m 43s
ubuntu-22.04 (non-mavsdk_server, hunter)	7m 47s
ubuntu-24.04 (non-mavsdk_server, hunter)	4m 36s
Coverage (ubuntu-22.04)	8m 20s
alpine 3.19.0 (musl)	40m 29s
ubuntu-20.04 (package, non-mavsdk_server)	7m 41s
android-arm	22m 28s
ubuntu-22.04 (package, non-mavsdk_server)	6m 16s
android-arm64	22m 6s
linux-armv6	4m 8s
linux-armv6-musl	28m 54s
ubuntu-24.04 (package, non-mavsdk_server)	7m 16s
android-x86	21m 29s
linux-armv7	3m 36s
linux-armv7l-musl	28m 42s
android-x86_64	21m 44s
linux-arm64	3m 48s
linux-arm64-musl	31m 11s
linux-arm64-lts	6m 46s
macOS x64	50m 39s
ubuntu-24.04 (style and proto check)	27m 56s
macOS arm64	21m 37s
macOS framework x64	1h 1m 3s
ubuntu-20.04 (non-mavsdk_server, non-superbuild)	1s
ubuntu-20.04 (mavsdk_server, superbuild)	47m 31s
macOS framework arm64	21m 57s
ubuntu-22.04 (non-mavsdk_server, non-superbuild)	5m 59s
ubuntu-22.04 (mavsdk_server, superbuild)	39m 33s
ubuntu-24.04 (non-mavsdk_server, non-superbuild)	1s
ubuntu-24.04 (mavsdk_server, superbuild)	43m 39s
ubuntu-24.04 (mavsdk_server, superbuild)	44m 13s
ios	1h 35m 17s
Windows	1h 15m 27s
ubuntu-24.04 (mavsdk_server, superbuild)	45m 48s
ios_simulator_x64	32m 9s
ios_simulator_arm64	58m 1s
iOS XCFramework	0s
	15h 52m 51s

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