change colour for no found while searching and add delete function in profile page

lib/pages/pickup_search/pickup_search.dart

@@ -81,6 +81,7 @@ class PackageSearchDelegate extends SearchDelegate<Pickup> {
                   child: Text(
                     "No result found",
                     textAlign: TextAlign.center,
+                    style: TextStyle(color: Colors.black),
                   ),
                 ),
               );