fix(metrics): Restore tab list and actions render order

The tab list (Samples/Aggregates) should render before additionalActions
in the Flex container so it appears on the left, with the
PanelPositionSelector and HideContentButton on the right.

Co-Authored-By: Claude Opus 4.6 <noreply@example.com>

Author: nsdeschenes

static/app/views/explore/metrics/metricInfoTabs/index.tsx

@@ -52,8 +52,8 @@ export function MetricInfoTabs({
     >
       {orientation === 'right' || visualize.visible ? (
         <Flex direction="row" justify="between" align="center" paddingRight="xl">
-          {additionalActions}
           <MetricInfoTabList orientation={orientation} contentsHidden={contentsHidden} />
+          {additionalActions}
         </Flex>
       ) : null}
       {visualize.visible && !contentsHidden ? (