куча разных нюансов сделано

src/webparts/requestPortal/shared/approval/index.ts

@@ -24,7 +24,7 @@ export type { IApproverToWrite } from './approvalList.service';
 export { ApproverService } from './approverDecision.service';
 export type { ApproverDecision } from './approverDecision.service';
 export { getPlannedMatrix, writeApprovers, writeRoute } from './approvalSubmission.service';
-export { useMatrixEditor } from './useMatrixEditor';
+export { useMatrixEditor, findUnassignedStep } from './useMatrixEditor';
 export type { IUseMatrixEditor } from './useMatrixEditor';
 export { ApprovalMatrix } from './ui/ApprovalMatrix';
 export { UserPicker } from './ui/UserPicker';