[iOS][non-icu] HybridGlobalization implement missing functionalities #94216
Description
Investigate and implement below functionalities
- CompareInfo.GetSortKey
- CompareInfo.GetSortKeyLength
- CompareInfo.GetHashCode
Review and update the doc https://github.com/dotnet/runtime/blob/main/docs/design/features/globalization-hybrid-mode.md
Contributes to #80689