Fix sync triggers when RunFromLocalZip
Fix sync triggers when RunFromLocalZip

Handles zip archives where there is no explicit entry for top level directories

EricSten-MSFT/kudu,shibayan/kudu,EricSten-MSFT/kudu,EricSten-MSFT/kudu,projectkudu/kudu,projectkudu/kudu,EricSten-MSFT/kudu,shibayan/kudu,shibayan/kudu,projectkudu/kudu,shibayan/kudu,shibayan/kudu,projectkudu/kudu,projectkudu/kudu,EricSten-MSFT/kudu