fix: constrain trophy icon height to 22px to match nav proportions

SVG is 20×50 (tall/narrow); fixed height with auto width preserves aspect ratio.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

components/nav.tsx

@@ -5,7 +5,7 @@ import { useState } from 'react'
 
 const WC_TROPHY = (
   // eslint-disable-next-line @next/next/no-img-element
-  <img src="/favicon.svg" width={28} height={28} alt="" />
+  <img src="/favicon.svg" style={{ height: '22px', width: 'auto' }} alt="" />
 )
 
 const NAV_LINKS = [