docs: Fix emoji display in sidebar for Glossary link

- Replaced the placeholder character with the correct emoji for the 'Glossary' link in the sidebar, enhancing visual clarity.

Author: Le-Caignec

.vitepress/sidebar.ts

@@ -602,7 +602,7 @@ export function getSidebar() {
         link: '/references/sdk',
       },
       {
-        text: '�📖 Glossary',
+        text: '📖 Glossary',
         link: '/references/glossary',
       },
     ],