feat(issue-details): Add max-width to event selector (#46617)

This will made the event selector easier to use on wide screens.

static/app/views/issueDetails/groupEventCarousel.tsx

@@ -271,6 +271,7 @@ const CarouselAndButtonsWrapper = styled('div')`
   display: flex;
   gap: ${space(1)};
   margin-bottom: ${space(0.5)};
+  max-width: 900px;
 `;
 
 const StyledButtonBar = styled(ButtonBar)`