refactor(card-browser): SearchFilters

[david-allison]

Split out from my big PR for

• Card Browser: Migrate to Material 3 SearchView #18709

This removes a class, and blocks a developer from forgetting to handle all cases when adding a new filter.

How Has This Been Tested?

Trusting CI

Checklist

• You have a descriptive commit message with a short title (first line, max 50 chars).
• You have commented your code, particularly in hard-to-understand areas
• You have performed a self-review of your own code
• UI changes: include screenshots of all affected screens (in particular showing any new or changed strings)
• UI Changes: You have tested your change using the Google Accessibility Scanner