feat(sign): 优化签到领券设置功能

- 添加优惠券选择器功能
- 优化签到天数和概率输入范围
- 更新签到状态为禁用/启用选项
- 调整表单布局和样式
- 优化数据表格显示

application/admin/controller/shopro/Coupon.php

@@ -36,7 +36,9 @@ class Coupon extends Common
         if (!$this->request->isAjax()) {
             return $this->view->fetch();
         }
-
+        if ($this->request->request('keyField')) {
+            return $this->selectpage();
+        }
         $coupons = $this->model->sheepFilter()->paginate($this->request->param('list_rows', 10))->each(function ($coupon) {
             // 优惠券领取和使用数量
             $coupon->get_num = $coupon->get_num;