* feat: added filters for sub issues
* feat: added list groups for sub issues
* chore: updated order for sub work item properties
* feat: filters for sub work items
* feat: added filtering and ordering at frontend
* chore: reverted backend filters
* feat: added empty states
* chore: code improvemnt
---------
Co-authored-by: sangeethailango <sangeethailango21@gmail.com>