Fix messages height

Author: kraenhansen

packages/compass-assistant/src/components/assistant-chat.tsx

@@ -129,9 +129,7 @@ const messageFeedFixesStyles = css({
   display: 'flex',
   flexDirection: 'column-reverse',
   overflowY: 'auto',
-  width: '100%',
   wordBreak: 'break-word',
-  flex: 1,
   padding: spacing[400],
   gap: spacing[400],