Fix indirect notifications badge for GitHub

[eandersons]

Pre-flight Checklist

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• [x] I have read the Contributing Guidelines for this project.
• [x] I agree to follow the Code of Conduct that this project adheres to.

Description of Change

Selector for finding out whether an indirect notification is present was updated.

[mcmxcdev]

Great work @eandersons, keep em coming :tada: