feat: adiciona dashboard correto

src/pages/dashboard/DashboardPage.vue

@@ -298,9 +298,9 @@ const fetchMetrics = async () => {
     getFranchisorContractSummary(ids),
   ]);
 
-  totalStudents.value    = studentSummary.total;
-  activeContracts.value  = studentSummary.active;
-  frozenContracts.value   = contractSummary.frozen;
+  totalStudents.value      = studentSummary.total;
+  activeContracts.value    = contractSummary.active ?? 0;
+  frozenContracts.value    = contractSummary.frozen;
   cancelledContracts.value = contractSummary.cancelled;
 };