Add check if ATXv2 is live already for malsync (#6715) #22710

Job	Run time
filter-changes	3s
quicktests	1m 53s
build (ubuntu-22.04)	1m 17s
coverage	21m 21s
lint	2m 47s
build (ubuntu-latest-arm-8-cores)	3m 0s
build (macos-13)	1m 34s
build (self-hosted, macOS, ARM64, go-spacemesh)	27s
unittests (ubuntu-22.04)	28m 34s
build (windows-2022)	6m 22s
unittests (ubuntu-latest-arm-8-cores)	37m 8s
unittests (self-hosted, macOS, ARM64, go-spacemesh)	23m 31s
unittests (windows-2022)	40m 33s
ci-status	3s
	2h 48m 33s

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