fix(admin): 修复用户提现拒绝后余额计算错误

- 修正了提现拒绝时余额计算逻辑，移除重复添加的提现金额
- 确保余额字段只保存当前提现限制值，避免金额累积错误

app/controller/admin/user/UserExtract.php

@@ -262,7 +262,7 @@ class UserExtract extends BaseController
                 Db::name('entropy_barter_user_' . $extract_data['mer_id'])->where('eb_id', $eb_bill['to_id'])->inc('wallet', $extract_data['extract_price'])->update();
             }
 
-            // 拒绝提现要退回佣金和提现额度
+            // 拒绝提现要退回提现额度
             if ($extract_data['withdrawal_type'] == 3) {
                 // 提现额度
                 Db::name('user')->where('uid',$extract_data['uid'])->inc('withdrawal_limit',$extract_data['extract_price'])->save();
@@ -274,7 +274,7 @@ class UserExtract extends BaseController
                     'user_id' => $extract_data['uid'],
                     'pm' => UserWithdrawalLimitRecordEnum::PM['INCOME']['code'],
                     'number' => $extract_data['extract_price'],
-                    'balance' => $userEntity->withdrawalLimit + $extract_data['extract_price'],
+                    'balance' => $userEntity->withdrawalLimit,
                     'type_shop' => -1,
                     'order_sn' => '',
                     'remark' => '提现拒绝增加提现额度'