fix: fix dock layout

frontend/spa/src/main.js

@@ -1,4 +1,4 @@
-import {createApp} from 'vue';
+import {createApp, ref} from 'vue';
 import App from './App.vue';
 import './style.css';
 import {VueTelegramPlugin} from 'vue-tg';
@@ -118,8 +118,16 @@ settings.load()
         app.mount('#app');
     })
     .then(() => window.Telegram.WebApp.ready())
+    .then(() => {
+        const con = console;
+        window.Telegram.WebApp.onEvent('viewportChanged', (state) => {
+
+            con.log('[Init]: viewportChanged', state.isStateStable, this.viewportHeight);
+        });
+    })
     .catch(error => {
-        const code = error.code ?? error.response._data.code;
+        console.error(error);
+        const code = error.code ?? error?.response?._data.code;
         let ErrorComponent;
 
         switch (code) {