fix(pay/trade): restore chainable setters used by fluent call sites

yudao-module-pay/src/main/java/cn/iocoder/yudao/module/pay/api/order/dto/PayOrderCreateReqDTO.java

@@ -6,6 +6,7 @@ import jakarta.validation.constraints.DecimalMin;
 import jakarta.validation.constraints.NotEmpty;
 import jakarta.validation.constraints.NotNull;
 import lombok.Data;
+import lombok.experimental.Accessors;
 import org.hibernate.validator.constraints.Length;
 
 import java.io.Serializable;
@@ -15,6 +16,7 @@ import java.time.LocalDateTime;
  * 支付单创建 Request DTO
  */
 @Data
+@Accessors(chain = true)
 public class PayOrderCreateReqDTO implements Serializable {
 
     public static final int SUBJECT_MAX_LENGTH = 32;

yudao-module-pay/src/main/java/cn/iocoder/yudao/module/pay/api/refund/dto/PayRefundCreateReqDTO.java

@@ -6,6 +6,7 @@ import jakarta.validation.constraints.Min;
 import jakarta.validation.constraints.NotEmpty;
 import jakarta.validation.constraints.NotNull;
 import lombok.Data;
+import lombok.experimental.Accessors;
 import org.hibernate.validator.constraints.Length;
 
 /**
@@ -14,6 +15,7 @@ import org.hibernate.validator.constraints.Length;
  * @author 恭学教育
  */
 @Data
+@Accessors(chain = true)
 public class PayRefundCreateReqDTO {
 
     /**

yudao-module-pay/src/main/java/cn/iocoder/yudao/module/pay/api/transfer/dto/PayTransferCreateReqDTO.java

@@ -8,6 +8,7 @@ import jakarta.validation.constraints.Min;
 import jakarta.validation.constraints.NotEmpty;
 import jakarta.validation.constraints.NotNull;
 import lombok.Data;
+import lombok.experimental.Accessors;
 
 import java.util.ArrayList;
 import java.util.HashMap;
@@ -20,6 +21,7 @@ import java.util.Map;
  * @author jason
  */
 @Data
+@Accessors(chain = true)
 public class PayTransferCreateReqDTO {
 
     /**