CRASM-3417 Findings Library Port Filte Blue Dot Addition

[RKohler21]

🗣 Description

This PR addresses an issue in which, when selecting a port in the findings library filter, there would be no indication that a filter had been applied. Now we are able to see a blue dot indicating that the filter is active.

💭 Motivation and context

As a User, I expect the same format to display across the Filter Panel when a filter is selected and being applied to the Search Results page.

🧪 Testing

1. Log into the CyHy Dashboard
2. Click Findings Library
3. Select FILTER under the top banner
4. Select the Port dropdown arrow and select a port option

Dot reflecting a selection is applied is now displayed

📷 Screenshots (if appropriate)

✅ Pre-approval checklist

• This PR has an informative and human-readable title.
• Changes are limited to a single goal - eschew scope creep!
• All future TODOs are captured in issues, which are referenced in code comments.
• All relevant type-of-change labels have been added.
• I have read the CONTRIBUTING document.
• These code changes follow cisagov code standards.
• All relevant repo and/or project documentation has been updated to reflect the changes in this PR.
• Tests have been added and/or modified to cover the changes in this PR.
• All new and existing tests pass.
• Bump major, minor, patch, pre-release, and/or build versions as appropriate via the bump_version script if this repository is versioned and the changes in this PR warrant a version bump.
• Create a pre-release (necessary if and only if the pre-release version was bumped).

✅ Pre-merge checklist

• Revert dependencies to default branches.
• Finalize version.

✅ Post-merge checklist

• Create a release (necessary if and only if the version was bumped).

[schmelz21]

Do we want to include tests around this functionality? As we move forward coverage will be prioritized.