Merge pull request #208 from JA-yeong-eop-JA-moeu-JA/fix/#204-coupon

🧹 chore: 결제 시 team id null 가능하도록 수정한 것 롤백

Author: tl1l1l1s

src/main/java/com/jajaja/domain/order/service/OrderCommandServiceImpl.java

@@ -93,9 +93,7 @@ public OrderPrepareResponseDto prepareOrder(Long memberId, OrderPrepareRequestDt
                            cp.getUnitPrice() * cp.getQuantity())
                    .sum();
        } else {
-           if (request.teamId() != null) {
-               teamRepository.findById(request.teamId()).orElseThrow(() -> new BadRequestException(ErrorStatus.TEAM_NOT_FOUND));
-           }
+		   teamRepository.findById(request.teamId()).orElseThrow(() -> new BadRequestException(ErrorStatus.TEAM_NOT_FOUND));
            totalAmount = cartProducts.stream()
                    .mapToInt(cp ->
                                cp.getQuantity() * (productCommonService.calculateDiscountedPrice(cp.getUnitPrice(), cp.getProduct().getDiscountRate())))