fix task filter on property bug in postgres
fix task filter on property bug in postgres

arunagw/clockingit,webstream-io/jobsworth,ari/jobsworth,arunagw/clockingit,xuewenfei/jobsworth,ari/jobsworth,rafaspinola/jobsworth,digitalnatives/jobsworth,digitalnatives/jobsworth,arunagw/clockingit,rafaspinola/jobsworth,rafaspinola/jobsworth,ari/jobsworth,digitalnatives/jobsworth,evinoca/clockingit,digitalnatives/jobsworth,ari/jobsworth,webstream-io/jobsworth,xuewenfei/jobsworth,evinoca/clockingit,xuewenfei/jobsworth,evinoca/clockingit,webstream-io/jobsworth,evinoca/clockingit,xuewenfei/jobsworth,webstream-io/jobsworth,rafaspinola/jobsworth,digitalnatives/jobsworth