* refactor: sub-work items components, hooks and types * feat: group by and order by for sub work items of epic * feat: group by and order by for sub work items of a work items * feat: group by and order by for sub work items of a initiative * fix: group by assignee ids * feat: added orderby and display properties toggle for sub work items * fix: build errors * feat: added order by to epics work items * chore: remvoed issue_type from display properties * chore: removed unused variables and commented code --------- Co-authored-by: Aaryan Khandelwal <[email protected]> Co-authored-by: vamsikrishnamathala <[email protected]> Co-authored-by: Vamsi Krishna <[email protected]>