fix: ensure that sidebar slot does not take up unnecessary space

src/App.vue

@@ -40,7 +40,7 @@ const navStore = useNavStore()
 .app {
   min-height: calc(100dvh - 40px);
   grid-template-areas: 'nav breadcrumbs breadcrumbs' 'nav main slot';
-  grid-template-columns: 360px minmax(320px, 1200px) auto;
+  grid-template-columns: 360px minmax(320px, 1200px) minmax(0, 1fr);
   grid-template-rows: min-content minmax(0, 1fr);
 }
 </style>