Refact dropdown projects list with filter feature

[victorgois]

PR: Replace Project Dropdown with Searchable Autocomplete

Summary

Replaces the Wikimedia projects dropdown with a searchable autocomplete input for a faster and more user-friendly selection experience.

Main Changes

• Replaced <select> with <input> and a filtered dropdown list.
• Real-time, case-insensitive filtering as the user types.
• Click outside or press ESC to close the dropdown.
• Improved dark mode: proper text contrast on hover.
• Responsive: optimized for both desktop and mobile.
• Added close (X) button and "No projects found" message.

Files Updated

• ProfileEditDesktopView.tsx
• ProfileEditMobileView.tsx

Benefits

• Faster project search and selection.
• Better accessibility and keyboard navigation.
• Consistent experience across devices and themes.

Testing

• All existing tests pass.
• No breaking changes.

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[sonarqubecloud]

Quality Gate failed

Failed conditions
84.2% Duplication on New Code (required ≤ 3%)

See analysis details on SonarQube Cloud