Fixes notification display issues when user or team names contain emojis
and special characters. Previously, mention notifications would show
URL-encoded characters instead of properly formatted names with emojis.
**Before:**
Notification: "John Doe: Hey @%F0%9F%91%8D%20customer%20support please
check this"
**After:**
Notification: "John Doe: Hey @👍 customer support please check this"
- Adds support for superscript when rendering article markdown
- Chatwoot Markdown Render to render markdown everywhere
Co-authored-by: Sojan <sojan@pepalo.com>
