Every emoji that has a slot in admin branding now goes through the emoji()
function from core/theme.js. Uploading a PNG/SVG replacement in admin will
now show up everywhere that emoji appears in the player app.

Files updated: hud, multiplayer, player-panel, chess (game/analysis/review/
result/history), ludo (game/result), domino (result), play table, daily
rewards, challenges, ranks, shop, leaderboard, tournaments, friends,
activity, org (home/browser), profile (view/settings), puzzles.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>