Fixes to resumable while

[TheAngryByrd]

Proposed Changes

Fixes resumable while to return true when it's completed, rather than false and relying on the Resumable.While code to end the loop.

Types of changes

What types of changes does your code introduce to FsToolkit.ErrorHandling?
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• Bugfix (non-breaking change which fixes an issue)

Checklist

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• Build and tests pass locally
• I have added tests that prove my fix is effective or that my feature works (if appropriate)
• I have added necessary documentation (if appropriate)

Further comments

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