add sort on in appList and fix appLabel function

src/AppMenu.vue

@@ -53,6 +53,7 @@
         :aria-label="appLabel(app)"
         :aria-current="app.active ? 'page' : false"
         :href="app.href"
+        :style="makeStyle(app)"
         class="app-menu-popover-entry">
         <template #icon>
           <div class="app-icon" :class="{ 'has-unread': app.unread > 0 }">
@@ -110,13 +111,19 @@ export default {
     this.observer.disconnect()
   },
   methods: {
-    appLabel() {
-      return (app) => app.name
+    appLabel(app) {
+      return app.name
         + (app.active ? ' (' + t('core', 'Currently open') + ')' : '')
         + (app.unread > 0 ? ' (' + n('core', '{count} notification', '{count} notifications', app.unread, { count: app.unread }) + ')' : '')
     },
     appList() {
-      return Object.values(this.apps)
+      let items = Object.values(this.apps)
+
+      items.sort((a, b) => {
+        return a.order < b.order ? -1 : 1;
+      })
+
+      return items
     },
     mainAppList() {
       return this.appList().slice(0, this.appLimit)