fix: dashboard url error when edit slug (#15893)

diff --git a/superset-frontend/src/views/CRUD/dashboard/DashboardList.tsx b/superset-frontend/src/views/CRUD/dashboard/DashboardList.tsx
index 335120e..c4be05d 100644
--- a/superset-frontend/src/views/CRUD/dashboard/DashboardList.tsx
+++ b/superset-frontend/src/views/CRUD/dashboard/DashboardList.tsx
@@ -166,6 +166,7 @@
                 slug = '',
                 json_metadata = '',
                 changed_on_delta_humanized,
+                url = '',
               } = json.result;
               return {
                 ...dashboard,
@@ -176,6 +177,7 @@
                 slug,
                 json_metadata,
                 changed_on_delta_humanized,
+                url,
               };
             }
             return dashboard;