style: 调整产品搜索下拉框的面板宽度.

src/pages/purchase-order/edit.vue

@@ -295,6 +295,7 @@
                     >
                       <el-select-v2
                         v-model="product.id"
+                        popper-class="product-select"
                         style="width: 100%; margin-bottom: 4pt"
                         :options="product.candidate"
                         :loading="productLoading"
@@ -1978,6 +1979,12 @@ input[type='number'] {
     margin: 0;
   }
 }
+.product-select {
+  .el-select-dropdown__list {
+    min-width: 400px;
+    max-width: 500px;
+  }
+}
 </style>
 <style lang="scss" scoped>
 .view-window {