Emoji: Adds search (#37418)

Co-authored-by: diondiondion <mail@diondiondion.com>

app/javascript/testing/factories.ts

@@ -119,6 +119,9 @@ export function unicodeEmojiFactory(
     label: 'Test',
     unicode: '🧪',
     shortcodes: ['test_emoji'],
+    tokens: ['emoji', 'test'],
+    group: 1,
+    order: 1,
     ...data,
   };
 }
@@ -131,6 +134,7 @@ export function customEmojiFactory(
     static_url: '/custom-emoji/logo.svg',
     url: '/custom-emoji/logo.svg',
     visible_in_picker: true,
+    tokens: ['custom'],
     ...data,
   };
 }