fix: waiting phase shows second grid

src/App.vue

@@ -16,7 +16,7 @@
         </button>
       </div>
     </div>
-    <div v-else class="card">
+    <div v-if="phase === 'war'" class="card">
       <div class="card-body d-flex" style="justify-content: space-between">
         <v-grid v-model:grid="myGrid" />
         <v-grid v-model:grid="otherGrid" />