feat: make empty element display in the center

src/components/dialog/DialogSelect.vue

@@ -103,12 +103,9 @@ watch(() => state.search, getList);
       <div class="col scroll">
         <section
           :class="{ ['items-center']: list.length === 0 }"
-          class="row q-col-gutter-md"
+          class="row q-col-gutter-md full-height"
         >
-          <div
-            style="display: inline-block; margin-inline: auto"
-            v-if="list.length === 0"
-          >
+          <div v-if="list.length === 0" class="inline-block q-mx-auto">
             <slot name="empty" :data="{ notFound: !!state.search }" />
           </div>
           <div