Fix badge pill border radius to avoid clipping

What does this MR do and why?

Describe in detail what your merge request does and why.

Screenshots or screen recordings

Before	After

How to set up and validate locally

0. Check out this branch or apply the diff locally.
1. Go to any project and edit the feature flags (Settings -> Deployments -> Feature Flags)
2. Add a feature flag with a multitude of environments
3. Border of feature flag pill should not be clipping text

MR acceptance checklist

This checklist encourages us to confirm any changes have been analyzed to reduce risks in quality, performance, reliability, security, and maintainability.

• I have evaluated the MR acceptance checklist for this MR.