Fix race condition of `selectedStatusPagesOptions`

src/pages/EditMaintenance.vue

@@ -138,13 +138,21 @@ export default {
             affectedMonitorsOptions: [],
             showOnAllPages: false,
             selectedStatusPages: [],
-            selectedStatusPagesOptions: [],
             dark: (this.$root.theme === "dark"),
         };
     },
 
     computed: {
 
+        selectedStatusPagesOptions() {
+            return Object.values(this.$root.statusPageList).map(statusPage => {
+                return {
+                    id: statusPage.id,
+                    name: statusPage.title
+                };
+            });
+        },
+
         pageName() {
             return this.$t((this.isAdd) ? "Schedule Maintenance" : "Edit Maintenance");
         },
@@ -177,13 +185,6 @@ export default {
                 });
             }
         });
-
-        Object.values(this.$root.statusPageList).map(statusPage => {
-            this.selectedStatusPagesOptions.push({
-                id: statusPage.id,
-                name: statusPage.title
-            });
-        });
     },
     methods: {
         init() {