Fix reply username overflow (#1501)

* fix reply overflow

* fix shrinkable typing indicator

* fix message avatar hover & cursor

src/app/components/typing-indicator/TypingIndicator.tsx

@@ -10,6 +10,7 @@ export const TypingIndicator = as<'div', TypingIndicatorProps>(({ size, style, .
   <Box
     as="span"
     alignItems="Center"
+    shrink="No"
     style={{ gap: toRem(size === '300' ? 1 : 2), ...style }}
     {...props}
     ref={ref}