set default timeout setting

src/desktop-main.js

@@ -169,6 +169,9 @@ const vuetify = createVuetify({
         VProgressCircular: {
             size: 40
         },
+        VSnackbar: {
+            timeout: 3000
+        },
         VTabs: {
             color: 'primary',
             VSlideGroup: {

src/views/desktop/MainLayout.vue

@@ -151,7 +151,7 @@
             <v-progress-circular indeterminate></v-progress-circular>
         </v-overlay>
 
-        <v-snackbar :timeout="2000" v-model="showSnackbar">
+        <v-snackbar v-model="showSnackbar">
             {{ snackbarMessage }}
 
             <template #actions>