make PurgeActions more robust - only clean up non-running actions.
make PurgeActions more robust - only clean up non-running actions.

fanngyuan/vitess,fanngyuan/vitess,nso95/vitess,fanngyuan/vitess,fanngyuan/vitess,nso95/vitess,nso95/vitess,fanngyuan/vitess,nso95/vitess,nso95/vitess