[BUG] [Storage] [DataMovement] Dispose use of CancellationTokenSource

[amnguye]

Library name and version

Azure.Storage.DataMovement; Azure.Storage.DataMovement.Blobs

Query/Question

Our tests are littered with undisposed CancellationTokenSource that have timers that are not diposed properly.

Probably not the biggest deal since it depends on the end of the test to dispose. But this would probably lighten things a bit.

We should also check to dipose the CancellationTokenSource if it's made internally any where and dispose it properly even if there's no timers.

Environment

No response

[github-actions]

Hi @amnguye, we deeply appreciate your input into this project. Regrettably, this issue has remained unresolved for over 2 years and inactive for 30 days, leading us to the decision to close it. We've implemented this policy to maintain the relevance of our issue queue and facilitate easier navigation for new contributors. If you still believe this topic requires attention, please feel free to create a new issue, referencing this one. Thank you for your understanding and ongoing support.