set container="body"

packages/app/src/components/Common/Dropdown/PageItemControl.tsx

@@ -247,9 +247,10 @@ const PageItemControlDropdownMenu = React.memo((props: DropdownMenuProps): JSX.E
   return (
     <DropdownMenu
       data-testid="page-item-control-menu"
-      positionFixed
       modifiers={{ preventOverflow: { boundariesElement: 'viewport' } }}
       right={alignRight}
+      container="body"
+      style={{ zIndex: 1050 }} /* make it larger than $zindex-modal of bootstrap */
     >
       {contents}
     </DropdownMenu>