feat: implement unauthorized error handling and login popup

public/src/App.vue

@@ -5,6 +5,7 @@ import LoginPanel from "@/components/LoginPanel.vue";
 import {onMounted, ref} from "vue";
 import {Auth} from "@/services/auth";
 import DialogHost from "@/components/dialog/DialogHost.vue";
+import {LoginService} from "@/services/LoginService";
 
 let showPopup = ref(false)
 let loggedIn = ref(false)
@@ -25,6 +26,10 @@ onMounted(() => {
     Auth.checkForToken()
 })
 
+LoginService.subject.subscribe(() => {
+    showPopup.value = true
+})
+
 </script>
 
 <template>