Fixed a bug with empty or filters
Revert "Revert "Refactor ExpandedMobileWorkerFilter, adding WebUser data to Case List report""

This reverts commit e227147a4b1ad0799fafb50b1a48118008f79a54.
Merge remote-tracking branch 'origin/group-filter-fix' into emwf-refactor
Merge pull request #4129 from dimagi/emwf-refactor

Revert "Revert "Refactor ExpandedMobileWorkerFilter, adding WebUser data...