HPCC-31053 Metrics layout fails to persist on top level change #7217

Job	Run time
Check Skip	7s
Build Docker (ubuntu-22.04, k8s, true, schedule)	1m 34s
Build Bare Metal (ubuntu-20.04, mono, sudo, -DCMAKE_BUILD_TYPE=RelWithDebInfo -DINCLUDE_PLUGINS=O...	2s
Build Docker (ubuntu-22.04, schedule)	1m 42s
Build Bare Metal (ubuntu-22.04, mono, sudo, -DCMAKE_BUILD_TYPE=RelWithDebInfo -DINCLUDE_PLUGINS=O...	22m 13s
Build Docker (ubuntu-20.04, schedule)	17s
Build Bare Metal (windows-2019, -T host=x64 -A x64 -DUSE_OPTIONAL=OFF -DCLIENTTOOLS_ONLY=ON -DUSE...	3s
Build Docker (centos-8, schedule)	1m 20s
Build Bare Metal (windows-2022, -T host=x64 -A x64 -DUSE_OPTIONAL=OFF -DCLIENTTOOLS_ONLY=ON -DUSE...	13m 59s
Build Docker (centos-7, pull_request)	26m 24s
Build Bare Metal (macos-11, mono, sudo, -DCMAKE_BUILD_TYPE=Release -DUSE_OPTIONAL=OFF -DCLIENTTOO...	3s
Build Docker (amazonlinux, schedule)	1m 32s
Build Bare Metal (macos-12, mono, sudo, -DCMAKE_BUILD_TYPE=Release -DUSE_OPTIONAL=OFF -DCLIENTTOO...	11m 49s
Build Docker (centos-7, LN, true, schedule)	15s
	1h 21m 20s

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