Refactors the IsometricRealmSelector component by removing unused gradient code and updating CTA buttons to use the Button component. Also, enhances the Button component's ripple effect to correctly handle the `asChild` prop and ensure consistent behavior across all click events.
Replit-Commit-Author: Agent
Replit-Commit-Session-Id: 9203795e-937a-4306-b81d-b4d5c78c240e
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