Add filtered rows prop type to admin campers component

src/Pages/Admin/Campers/index.jsx

@@ -1224,6 +1224,7 @@ AdminCampers.propTypes = {
   }),
   column: PropTypes.shape({
     index: PropTypes.string,
+    filteredRows: PropTypes.array, 
   }),
   loggedUsername: PropTypes.string,
   userRole: PropTypes.string,