fix: reduce the padding

Author: oliverlaz

examples/react-chatbot/components/MessageBubble/MessageBubble.scss

@@ -84,10 +84,6 @@
   @media (max-width: 768px) {
     padding: 0.25rem 0;
 
-    &--user .ai-demo-message__bubble {
-      padding: 0.5rem 0.75rem;
-    }
-
     &--ai .ai-demo-message__bubble {
       min-width: 60%;
       padding: 0;