feat: add write-coalesing to atx handling #20326

Job	Run time
filter-changes	3s
lint	2m 23s
quicktests	1m 14s
unittests (ubuntu-22.04)	8m 26s
build (ubuntu-22.04)	1m 26s
unittests (ubuntu-latest-arm-8-cores)	6m 45s
build (ubuntu-latest-arm-8-cores)	2m 32s
unittests (self-hosted, macOS, ARM64, go-spacemesh)	4m 50s
build (macos-13)	2m 5s
unittests (windows-2022)	14m 19s
build (self-hosted, macOS, ARM64, go-spacemesh)	31s
build (windows-2022)	4m 2s
ci-status	8s
	48m 44s

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