Help text from baselining should exclude unsupported --updateBaseline option

[DaveTryon]

When running the ADO extension with baselining, we get the following message from the scanner:

To update the baseline with these changes, either rerun with --updateBaseline or copy the updated baseline file to /home/vsts/work/1/s/test.baseline

The --updateBaseline option makes sense when running the scanner CLI. It doesn't make sense when running the scanner from inside the ADO extension. We should have a way for the scanner to exclude the --updateBaseline help when running from the extension.

[ghost]

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