fix(printer): 修复支付价格比较逻辑和数据返回问题

- 将支付价格比较方式从 equals 修改为 compareTo 方法以确保精度正确性
- 调整 orderId 返回逻辑的位置，确保在所有情况下都能正确返回

src/main/java/com/ycwl/basic/service/printer/impl/PrinterServiceImpl.java

@@ -692,7 +692,7 @@ public class PrinterServiceImpl implements PrinterService {
             throw new BaseException("订单添加失败");
         }
         Map<String, Object> data = new HashMap<>();
-        if (order.getPayPrice().equals(BigDecimal.ZERO)) {
+        if (order.getPayPrice().compareTo(BigDecimal.ZERO) == 0) {
             orderBiz.paidOrder(order.getId());
             data.put("needPay", false);
         } else {
@@ -708,8 +708,8 @@ public class PrinterServiceImpl implements PrinterService {
             } catch (Exception e) {
                 throw new BaseException(e);
             }
-            data.put("orderId", orderId);
         }
+        data.put("orderId", orderId);
         return data;
     }