fix(widgets): avoid invalid timeline svg width (#8375)

Author: paulbalaji

.changeset/widgets-timeline-svg-width.md

@@ -0,0 +1,5 @@
+---
+'@hyperlane-xyz/widgets': patch
+---
+
+Fixed `MessageTimeline` rendering invalid `width="auto"` on SVG chevrons, which could break consumers on newer React/browser combinations.

typescript/widgets/src/messages/MessageTimeline.tsx

@@ -283,9 +283,8 @@ function Chevron({
       <WideChevronIcon
         direction="e"
         height="100%"
-        width="auto"
         color={color}
-        style={{ display: 'block' }}
+        style={{ display: 'block', width: 'auto' }}
       />
     </div>
   );