Rename emoji sheet to avoid caching issue (#7777)

app/javascript/mastodon/features/compose/components/emoji_picker_dropdown.js

@@ -28,7 +28,7 @@ const messages = defineMessages({
 const assetHost = process.env.CDN_HOST || '';
 let EmojiPicker, Emoji; // load asynchronously
 
-const backgroundImageFn = () => `${assetHost}/emoji/sheet.png`;
+const backgroundImageFn = () => `${assetHost}/emoji/sheet_10.png`;
 const listenerOptions = detectPassiveEvents.hasSupport ? { passive: true } : false;
 
 const categoriesSort = [