fix : set sse completion when closed QUZ-113

Author: s0o0bn

matching-service/matching-application/app-api/src/main/kotlin/com/grepp/quizy/matching/api/sse/SseConnector.kt

@@ -34,6 +34,7 @@ class SseConnector(
     }
 
     fun disconnect(userId: UserId) {
+        emitterRepository.findById(userId.value)?.complete()
         emitterRepository.remove(userId.value)
         matchingPoolManager.remove(userId)
     }

matching-service/matching-application/app-api/src/main/kotlin/com/grepp/quizy/matching/api/sse/SseSender.kt

@@ -33,6 +33,7 @@ class SseSender(
     }
 
     private fun closeEmitter(userId: Long) {
+        emitterRepository.findById(userId)?.complete()
         emitterRepository.remove(userId)
         matchingPoolManager.remove(UserId(userId))
     }