style: 优化表格工具栏样式

src/views/system/dict/index.vue

@@ -27,7 +27,10 @@
             <a-input v-model="queryForm.description" placeholder="请输入标签/描述" allow-clear @change="search">
               <template #prefix><icon-search /></template>
             </a-input>
-            <a-button @click="reset">重置</a-button>
+            <a-button @click="reset">
+              <template #icon><icon-refresh /></template>
+              <template #default>重置</template>
+            </a-button>
           </template>
           <template #custom-right>
             <a-button v-permission="['system:dict:item:add']" type="primary" @click="onAdd">