Split Ftp plugin into Ftp and FtpServer #3472

Job	Run time
coverage (ubuntu-20.04)	5m 46s
Ubuntu/Debian packaging (Ubuntu 20.04)	16m 1s
ubuntu-20.04 (package, non-mavsdk_server)	9m 40s
alpine 3.16.0 (musl)	23m 54s
ubuntu-22.04 (package, non-mavsdk_server)	8m 50s
android-arm	8m 20s
linux-armv6	6m 24s
android-arm64	7m 3s
ios	11m 22s
linux-armv6-musl	19m 41s
linux-armv7	6m 36s
android-x86	8m 58s
ios_simulator	12m 29s
linux-armv7l-musl	17m 55s
linux-arm64	6m 28s
android-x86_64	7m 58s
linux-arm64-musl	15m 54s
macOS	17m 0s
ubuntu-20.04 (non-mavsdk_server, non-superbuild)	8m 6s
macOS-framework	14m 4s
ubuntu-20.04 (mavsdk, hunter)	7m 3s
ubuntu-22.04 (style and proto check)	1m 17s
ubuntu-20.04 (mavsdk_server, superbuild, RelWithDebInfo)	14m 50s
Windows	14m 23s
ubuntu-20.04 (mavsdk_server, superbuild, Debug)	15m 7s
ubuntu-22.04 (mavsdk_server, superbuild, RelWithDebInfo)	14m 0s
ubuntu-22.04 (mavsdk_server, superbuild, Debug)	14m 6s
iOS XCFramework	56s
	5h 14m 11s

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