refactor: product가 삭제된 봉달 상품의 productId 기본 값 변경 #80

All 49 tests pass in 5s

16 files ±0 16 suites ±0 5s ⏱️ ±0s
49 tests ±0 49 ✅ ±0 0 💤 ±0 0 ❌ ±0
74 runs ±0 74 ✅ ±0 0 💤 ±0 0 ❌ ±0

Results for commit f7a2d80. ± Comparison against earlier commit a66f802.