feat(starfish): adds scrolling to starfish drawer (#47736)

adds scrolling to drawer

static/app/views/starfish/components/slideOverPanel.tsx

@@ -43,5 +43,5 @@ const _SlideOverPanel = styled(motion.div, {
   border-left: 1px solid ${p => p.theme.border};
   text-align: left;
   z-index: ${p => p.theme.zIndex.sidebar - 1};
-  ${p => (p.collapsed ? 'overflow: hidden;' : '')}
+  ${p => (p.collapsed ? 'overflow: hidden;' : 'overflow:scroll')}
 `;