푸시 message 발송 - null 예외처리 추가

src/main/kotlin/kr/co/vividnext/sodalive/fcm/FcmEvent.kt

@@ -186,13 +186,15 @@ class FcmSendListener(
             FcmEventType.SEND_MESSAGE -> {
                 val response = memberRepository.getMessageRecipientPushToken(messageId = fcmEvent.messageId!!)
 
-                pushService.send(
-                    tokens = listOf(response.pushToken),
-                    title = fcmEvent.title,
-                    message = fcmEvent.message,
-                    container = response.container,
-                    messageId = fcmEvent.messageId
-                )
+                if (response != null) {
+                    pushService.send(
+                        tokens = listOf(response.pushToken),
+                        title = fcmEvent.title,
+                        message = fcmEvent.message,
+                        container = response.container,
+                        messageId = fcmEvent.messageId
+                    )
+                }
             }
 
             FcmEventType.CHANGE_NOTICE -> {