camera: support multiple cameras within one instance #4264

Job	Run time
Coverage (ubuntu-22.04)	7m 1s
alpine 3.19.0 (musl)	11m 35s
android-arm	6m 40s
linux-armv6	3m 40s
ubuntu-20.04 (package, non-mavsdk_server)	8m 2s
android-arm64	7m 0s
linux-armv7	3m 56s
ubuntu-22.04 (package, non-mavsdk_server)	6m 16s
linux-armv6-musl	28m 20s
android-x86	6m 45s
linux-arm64	3m 52s
ubuntu-24.04 (package, non-mavsdk_server)	7m 11s
linux-armv7l-musl	28m 22s
android-x86_64	6m 40s
linux-arm64-lts	5m 20s
linux-arm64-musl	30m 49s
ubuntu-24.04 (style and proto check)	1m 37s
ubuntu-20.04 (non-mavsdk_server, hunter)	4m 59s
ubuntu-20.04 (non-mavsdk_server, non-superbuild)	7m 26s
ubuntu-22.04 (non-mavsdk_server, hunter)	4m 17s
ubuntu-22.04 (non-mavsdk_server, non-superbuild)	6m 57s
ubuntu-24.04 (non-mavsdk_server, hunter)	4m 29s
ubuntu-20.04 (mavsdk_server, superbuild)	13m 22s
ubuntu-24.04 (non-mavsdk_server, non-superbuild)	7m 22s
ubuntu-22.04 (mavsdk_server, superbuild)	11m 16s
ubuntu-24.04 (mavsdk_server, superbuild)	43m 16s
ios	1h 11m 19s
macOS x64	45m 14s
ubuntu-24.04 (mavsdk_server, superbuild)	13m 9s
ios_simulator_x64	5m 27s
macOS arm64	21m 8s
ubuntu-24.04 (mavsdk_server, superbuild)	43m 46s
ios_simulator_arm64	43m 55s
macOS framework x64	42m 36s
macOS framework arm64	24m 49s
Windows	1h 16m 1s
iOS XCFramework	0s
	11h 3m 54s

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