Split mission transfer into client and server #3500

Job	Run time
alpine 3.16.0 (musl)	18m 24s
coverage (ubuntu-20.04)	4m 31s
ubuntu-20.04 (package, non-mavsdk_server)	6m 20s
ubuntu-22.04 (package, non-mavsdk_server)	5m 27s
android-arm	9m 39s
linux-armv6	6m 12s
android-arm64	7m 7s
linux-armv7	8m 32s
android-x86	9m 26s
Ubuntu/Debian packaging (Ubuntu 20.04)	10m 15s
linux-armv6-musl	1h 8m 18s
linux-arm64	9m 17s
android-x86_64	8m 21s
linux-armv7l-musl	17m 59s
linux-arm64-musl	1h 0m 1s
ios	16m 15s
macOS	12m 4s
ios_simulator	11m 6s
ubuntu-20.04 (mavsdk, hunter)	4m 53s
macOS-framework	12m 34s
ubuntu-20.04 (non-mavsdk_server, non-superbuild)	6m 29s
ubuntu-22.04 (style and proto check)	1m 14s
Windows	1h 45m 32s
ubuntu-20.04 (mavsdk_server, superbuild)	11m 22s
ubuntu-22.04 (mavsdk_server, superbuild)	15m 6s
iOS XCFramework	1m 13s
	7h 27m 37s

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