[release/11.0-rc1] Fix  InitialItemIndex viewport underfill for small items in big container or on window resize - #68689

[release/11.0-rc1] Fix  InitialItemIndex viewport underfill for small items in big container or on window resize#68689

wtgodbe merged 1 commit into

release/11.0-rc1dotnet/aspnetcore:release/11.0-rc1from

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