feat: 구매한 콘텐츠 댓글 이벤트 추가

- 구매한 콘텐츠 댓글 쓰기시 구매한 캔을 포인트로 지급

src/main/kotlin/kr/co/vividnext/sodalive/useraction/UserActionService.kt

@@ -75,7 +75,11 @@ class UserActionService(
                 grantLogRepository.save(
                     PointGrantLog(
                         memberId = memberId,
-                        point = policy.pointAmount,
+                        point = if (actionType == ActionType.ORDER_CONTENT_COMMENT && order != null) {
+                            order.can
+                        } else {
+                            policy.pointAmount
+                        },
                         actionType = actionType,
                         policyId = policy.id!!,
                         orderId = order?.id