Use dashboard domain as default and not [0]

dashboard/src/Index.vue

@@ -105,6 +105,7 @@ const subscriptionRequiredDialog = useTemplateRef('subscriptionRequiredDialog');
 const ready = ref(false);
 const view = ref('');
 const profile = ref({});
+const dashboardDomain = ref('');
 const subscription = ref({
   plan: {},
 });
@@ -227,6 +228,7 @@ async function refreshConfigAndFeatures() {
 
   config.value = result;
   features.value = result.features;
+  dashboardDomain.value = result.adminDomain;
 }
 
 async function onOnline() {
@@ -239,6 +241,7 @@ provide('features', features);
 provide('profile', profile);
 provide('refreshProfile', refreshProfile);
 provide('refreshFeatures', refreshConfigAndFeatures);
+provide('dashboardDomain', dashboardDomain);
 
 onMounted(async () => {
   const [error, result] = await provisionModel.status();