Fix `PooledBuffer` serialization & initialize ActivationMigrationManager on startup#8861

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ReubenBond merged 1 commit intodotnet:7.xfrom ReubenBond:backport/8852

Feb 16, 2024

+172-6

Commits on Feb 16, 2024

Fix PooledBuffer serialization & initialize ActivationMigrationManager on startup (dotnet#8852 )
ReubenBond
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