[backport] Fix ATX syncer hangs (#6137) #19708

Job	Run time
filter-changes	3s
build (ubuntu-22.04)	1m 47s
build (ubuntu-latest-arm-8-cores)	3m 58s
quicktests	2m 7s
build (macos-13)	2m 41s
build-tools (ubuntu-22.04)	1m 50s
build (self-hosted, macOS, ARM64, go-spacemesh)	28s
lint	4m 28s
build-tools (ubuntu-latest-arm-8-cores)	3m 9s
build (windows-2022)	5m 33s
unittests (ubuntu-22.04)	20m 36s
build-tools (macos-13)	3m 8s
unittests (ubuntu-latest-arm-8-cores)	27m 6s
build-tools (self-hosted, macOS, ARM64, go-spacemesh)	12m 4s
unittests (macos-13)	24m 51s
build-tools (windows-2022)	5m 36s
unittests (self-hosted, macOS, ARM64, go-spacemesh)	17m 26s
unittests (windows-2022)	29m 3s
ci-status	4s
	2h 45m 58s

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