mall + pay：

1. 发起支付时，增加实际已支付的二次校验，避免重复支付

yudao-ui-admin/src/views/pay/cashier/index.vue

@@ -78,7 +78,6 @@
 </template>
 <script>
 import QrcodeVue from 'qrcode.vue'
-import { DICT_TYPE, getDictDatas } from "@/utils/dict";
 import { getOrder, submitOrder } from '@/api/pay/order';
 import { PayChannelEnum, PayDisplayModeEnum, PayOrderStatusEnum } from "@/utils/constants";