kie-issues#769: fix another case of async cleanWs

Author: jstastny-cz

.ci/jenkins/Jenkinsfile.setup-branch

@@ -26,7 +26,7 @@ pipeline {
         stage('Initialize') {
             steps {
                 script {
-                    cleanWs()
+                    cleanWs(disableDeferredWipeout: true)
 
                     if (params.DISPLAY_NAME) {
                         currentBuild.displayName = params.DISPLAY_NAME