[UPDATE] Replace `findById` with `findByRunId` in KubeflowRunsController, add missing method to repository

src/main/java/kr/re/etri/autoflow/controllers/KubeflowRunsNewController.java

@@ -38,7 +38,7 @@ public class KubeflowRunsNewController {
             @Parameter(description = "Kubeflow Run ID", example = "ad980d7f-050a-4c59-a775-94394befad40")
             @PathVariable("runId") String runId) {
 
-        return runRepository.findById(runId)
+        return runRepository.findByRunId(runId)
                 .map(ResponseEntity::ok)
                 .orElse(ResponseEntity.notFound().build());
     }

src/main/java/kr/re/etri/autoflow/repository/KubeflowRunRepository.java

@@ -4,6 +4,9 @@ import kr.re.etri.autoflow.entity.KubeflowRunEntity;
 import org.springframework.data.jpa.repository.JpaRepository;
 import org.springframework.data.jpa.repository.JpaSpecificationExecutor;
 
+import java.util.Optional;
+
 public interface KubeflowRunRepository extends JpaRepository<KubeflowRunEntity, String>, JpaSpecificationExecutor<KubeflowRunEntity> {
     boolean existsByRunId(String runId);
+    Optional<KubeflowRunEntity> findByRunId(String runId);
 }