SharedAsset improvements... #2315

Job	Run time
windows-2019 / Debug	24m 23s
ubuntu-22.04 / gcc / Debug	20m 14s
Documentation	11m 51s
windows-2019 / RelWithDebInfo	27m 6s
Quick Checks	9s
ubuntu-22.04 / gcc / RelWithDebInfo	26m 6s
windows-2022 / Debug	23m 27s
ubuntu-20.04 / clang / Debug	20m 1s
windows-2022 / RelWithDebInfo	27m 14s
ubuntu-20.04 / clang / RelWithDebInfo	24m 39s
macos-12 / clang / Debug	21m 25s
macos-12 / clang / RelWithDebInfo	23m 47s
	4h 10m 22s

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