switch to mongo's id handling

src/pages/approval-workflows/[id]/edit.tsx

@@ -71,7 +71,7 @@ export default function Home({ user, workflow, workflowEntityTeachers, workflowE
         }));
 
         const editableWorkflow: EditableApprovalWorkflow = {
-            id: workflow.id,
+            id: workflow._id?.toString() ?? "",
             name: workflow.name,
             entityId: workflow.entityId,
             requester: user.id, // should it change to the editor?
@@ -104,7 +104,7 @@ export default function Home({ user, workflow, workflowEntityTeachers, workflowE
         };
 
         axios
-            .put(`/api/approval-workflows/${workflow.id}/edit`, filteredWorkflow)
+            .put(`/api/approval-workflows/${updatedWorkflow.id}/edit`, filteredWorkflow)
             .then(() => {
                 toast.success("Approval Workflow edited successfully.");
                 setIsRedirecting(true);