fix: 通知验签简化—DB有证书用rsaCertCheckV1，没有用rsaCheckV1

java/src/main/java/com/payment/platform/module/payment/notification/service/NotificationService.java

@@ -106,9 +106,8 @@ public class NotificationService {
                     }
                 }
             }
-            // 证书模式优先，回退普通公钥
+            // 服务商配置了证书则用证书验签，否则回退普通公钥
             boolean verified = StrUtil.isNotBlank(alipayPublicCert)
-                    && !alipayPublicCert.equals(alipayConfig.getAlipayPublicKey())
                     ? AlipaySignature.rsaCertCheckV1(params, alipayPublicCert,
                             alipayConfig.getCharset(), alipayConfig.getSignType())
                     : AlipaySignature.rsaCheckV1(params, alipayPublicKey,