chore: type panels

[kyle-ssg]

Thanks for submitting a PR! Please check the boxes below:

• I have added information to docs/ if required so people know about the feature!
• I have filled in the "Changes" section below?
• I have filled in the "How did you test this code" section below?
• I have used a Conventional Commit title for this Pull Request

Changes

• Migrates panel components to typescript
• Fixes types of a lot of usages

How did you test this code?

Tested filtering and searching of existing panels

[vercel]

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Name	Status	Preview	Comments	Updated (UTC)
flagsmith-frontend-preview	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Feb 19, 2025 6:19pm
flagsmith-frontend-staging	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Feb 19, 2025 6:19pm

1 Skipped Deployment

Name	Status	Preview	Comments	Updated (UTC)
docs	⬜️ Ignored (Inspect)			Feb 19, 2025 6:19pm

[github-actions]

Docker builds report

Image	Build Status	Security report
ghcr.io/flagsmith/flagsmith-api-test:pr-5139	Finished ✅	Skipped
ghcr.io/flagsmith/flagsmith-api:pr-5139	Finished ✅	Results ✅
ghcr.io/flagsmith/flagsmith-e2e:pr-5139	Finished ✅	Skipped
ghcr.io/flagsmith/flagsmith:pr-5139	Finished ✅	Results ✅
ghcr.io/flagsmith/flagsmith-private-cloud:pr-5139	Finished ✅	Results ✅
ghcr.io/flagsmith/flagsmith-frontend:pr-5139	Finished ✅	Results ✅

[github-actions]

Uffizzi Ephemeral Environment deployment-61115

☁️ https://app.uffizzi.com/github.com/Flagsmith/flagsmith/pull/5139

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