Port dotnet feature: .Net: Delete CreateCollection, rename CreateIfNotExists and make EnsureExists thread safe. #11938
Description
Original issue
Description
Motivation and Context
Description
- DeleteCreateCollection
- Rename CreateCollectionIfNotExists to EnsureCollectionExists
- Make EnsureCollectionExists thread safe
- Update tests and samples.
Contribution Checklist
- The code builds clean without any errors or warnings
- The PR follows the SK Contribution Guidelines and the pre-submission formatting script raises no violations
- All unit tests pass, and I have added new tests where possible
- I didn't break anyone 😄
\n Relates to #11937