Fix advanced settings from always starting collapsed (#10561)

Previously the user's preference for whether the advanced settings starts opened or collapsed was ignored.
Resolves: #10556

website/client/components/tasks/taskModal.vue

@@ -714,6 +714,9 @@ export default {
       },
     };
   },
+  mounted () {
+    this.showAdvancedOptions = !this.user.preferences.advancedCollapsed;
+  },
   watch: {
     task () {
       this.syncTask();