fix: move import/export buttons to top left on org chart page

Co-Authored-By: Paperclip <noreply@paperclip.ing>
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

ui/src/pages/OrgChart.tsx

@@ -269,7 +269,7 @@ export function OrgChart() {
 
   return (
     <>
-    <div className="mb-4 flex items-center justify-end gap-2">
+    <div className="mb-4 flex items-center justify-start gap-2">
       <Link to="/company/import">
         <Button variant="outline" size="sm">
           <Upload className="mr-1.5 h-3.5 w-3.5" />