improvement: duedate added for shipped cases. cases and tasks ui and ux updated accordingly.

frontend/src/components/ui/treatment/TreatmentWorkspace.tsx

@@ -203,6 +203,8 @@ function mapLabCaseDraftFromApi(lc: PastLabCase): LabCaseDraft {
     attachmentIds: (lc.attachments ?? []).map((a) => a.id),
     sentAt: lc.sentAt ?? null,
     sends: lc.sends ?? [],
+    dueDate: lc.dueDate ?? null,
+    taskProgress: lc.taskProgress ?? null,
   };
 }
 
@@ -990,6 +992,7 @@ export function TreatmentWorkspace({
                   row !== null,
               ),
             attachmentIds: lc.attachmentIds,
+            dueDate: lc.dueDate ?? null,
           };
         })
         .filter((row): row is NonNullable<typeof row> => row !== null);