vault touchup

src/layouts/default/AppBar.vue

@@ -8,7 +8,7 @@
       <v-chip text="ALPHA" size="x-small" color="red" class="mx-1"/>
     </v-app-bar-title>
 
-    <v-btn icon="mdi-safe-square" text="Vault" @click="$router.push('/vault')"></v-btn>
+    <v-btn icon="mdi-safe-square-outline" text="Vault" @click="$router.push('/vault')"></v-btn>
     <v-btn icon="mdi-swap-horizontal-circle-outline" text="Orders" @click="$router.push('/orders')"></v-btn>
 
   </v-app-bar>