Update changelog: clarify audio fix was for videos, remove enhancement heading for dark mode

Author: prithivraj

CHANGELOG.md

@@ -3,11 +3,10 @@
 ## 17.0.3
 ###### Release Date: 23-07-2025
 
-### 🚀 Enhancements
 * Improved dark mode support
 
 ### 🐛 Bug Fixes
-* Fixed issue where audio was missing during certain conversations
+* Fixed issue where audio was missing in certain videos
 
 ## 17.0.2
 ###### Release Date: 11-07-2025