style(printTemplateSaleOrder): 调整打印模板字体大小为12px

src/views/saleManage/saleOrder/components/printTemplateSaleOrder.vue

@@ -61,7 +61,7 @@
           table-layout: fixed;
           word-break: break-all;
           word-wrap: break-word;
-          font-size: 13px;
+          font-size: 12px;
         "
       >
         <tbody>