Text- classification | Sentence Similarity cancellation does not work

[zewditu]

System Information (please complete the following information):

• OS & Version: [e.g. Windows 10]
• ML.NET Version: [e.g. ML.NET v1.5.5]
• .NET Version: [e.g. .NET 5.0]

Describe the bug
It seems that Text-classification cancellation does not cooperate with mlContext cancellation.
To Reproduce
Steps to reproduce the behavior:

1. Go to '...'
2. Click on '....'
3. Scroll down to '....'
4. See error

Expected behavior
A clear and concise description of what you expected to happen.

Screenshots, Code, Sample Projects
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Additional context
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[michaelgsharp]

Fixed by previous PR so closing.