Fix charmap flair issue on windows

[colin99d]

Description

Is this still an issue? The test I wrote passed on Windows.
Fixes #2146

How has this been tested?

• Please describe the tests that you ran to verify your changes.
• Provide instructions so we can reproduce.
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• Make sure affected commands still run in terminal
• Ensure the api still works
• Check any related reports

Checklist:

• Update our Hugo documentation following these guidelines.
• Update our tests following these guidelines.
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• If a feature was added make sure to add it to the corresponding scripts file.

Others

• I have performed a self-review of my own code.
• I have commented my code, particularly in hard-to-understand areas.

[Chavithra]

Good to me : the tests are working on my side.