Backend/UtxoCoin: support native-segwit with cold storage #3106

Job	Run time
linux-github--dotnet-and-newmono	6m 26s
linux-github--dotnet-and-mono	3m 40s
macOS--dotnet6-and-mono	12m 43s
macOS--dotnet6-only	8m 22s
macOS--mono-only	11m 47s
windows--dotnet6-and-legacyFramework	6m 58s
windows--dotnet6-only	7m 14s
windows--legacyFramework-only	13m 23s
linux-vanilla--stockdotnet6-only	4m 50s
linux-vanilla--stockmono-only	5m 6s
linux-vanilla--newmono-only	7m 39s
linux-vanilla--stockdotnet6-and-newmono	5m 48s
linux-vanilla--stockdotnet6-and-stockmono	6m 28s
conventions	1m 17s
snap_pkg_beta	6m 49s
snap_pkg	6m 26s
	1h 54m 56s

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