Dart

Refactor NetworkerServer class and update dependencies #242

Job	Run time
build (packages/consoler)	42s
build (packages/dart_leap)	45s
build (packages/flutter_localizer)	43s
build (packages/localizer)	43s
build (packages/lw_file_system)	49s
build (packages/lw_file_system_api)	43s
build (packages/lw_sysapi)	58s
build (packages/generate_leap)	39s
build (packages/material_leap)	56s
build (packages/networker/networker)	43s
build (packages/networker/networker_crypto)	45s
build (packages/networker/networker_rtc)	50s
build (packages/networker/networker_socket)	48s
build (packages/networker/networker_s5)	51s
	10m 55s

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