feat(components): placeholderText for location-filter

[JonasKellerer]

resolves #273

Summary

Adds a placeholder text to the location-filter, similar to text-input.

Screenshot

PR Checklist

• [x] All necessary documentation has been adapted.
• [x] The implemented feature is covered by an appropriate test.

[vercel[bot]]

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Name	Status	Preview	Comments	Updated (UTC)
dashboards-components	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Jun 19, 2024 6:53am