[GOBBLIN-1847] Exceptions in the JobLauncher should try to delete the existing workflow if it is launched#3711

ZihanLi58 merged 2 commits intoapache:masterapache/gobblin:masterfrom

homatthew:mh-dont-fail-if-zk-exception-ETL-14877homatthew/gobblin:mh-dont-fail-if-zk-exception-ETL-14877Copy head branch name to clipboard