refactor (frontend): address code scanning issues (#10935)

* remove unused defs

* optimize

* revert rename

src/frontend/src/components/buttons/PrintingActions.tsx

@@ -52,12 +52,12 @@ export function PrintingActions({
   const [labelId, setLabelId] = useState<number | undefined>(undefined);
   const [reportId, setReportId] = useState<number | undefined>(undefined);
 
-  const labelProgress = useDataOutput({
+  useDataOutput({
     title: t`Printing Labels`,
     id: labelId
   });
 
-  const reportProgress = useDataOutput({
+  useDataOutput({
     title: t`Printing Reports`,
     id: reportId
   });

src/frontend/src/hooks/UseDataExport.tsx

@@ -30,7 +30,7 @@ export default function useDataExport({
 
   const [exportId, setExportId] = useState<number | undefined>(undefined);
 
-  const progress = useDataOutput({
+  useDataOutput({
     title: t`Exporting Data`,
     id: exportId
   });

src/frontend/src/hooks/UseDataOutput.tsx

@@ -40,7 +40,7 @@ export default function useDataOutput({
     } else setLoading(false);
   }, [id, title]);
 
-  const progress = useQuery({
+  useQuery({
     enabled: !!id && loading && visibility === 'visible',
     refetchInterval: 500,
     queryKey: ['data-output', id, title],

src/frontend/src/hooks/UseImportSession.tsx

@@ -49,7 +49,7 @@ export function useImportSession({
     setInstance(data);
   }, []);
 
-  const importSessionStatus = useStatusCodes({
+  useStatusCodes({
     modelType: ModelType.importsession
   });
 

src/frontend/src/pages/sales/SalesOrderShipmentDetail.tsx

@@ -72,11 +72,7 @@ export default function SalesOrderShipmentDetail() {
     }
   });
 
-  const {
-    instance: customer,
-    instanceQuery: customerQuery,
-    refreshInstance: refreshCustomer
-  } = useInstance({
+  const { instance: customer, instanceQuery: customerQuery } = useInstance({
     endpoint: ApiEndpoints.company_list,
     pk: shipment.order_detail?.customer,
     hasPrimaryKey: true

src/frontend/src/tables/machine/MachineTypeTable.tsx

@@ -103,9 +103,7 @@ export function MachineDriverTable({
 function MachineTypeDrawer({
   machineTypeSlug
 }: Readonly<{ machineTypeSlug: string }>) {
-  const navigate = useNavigate();
-
-  const { machineTypes, refresh, isFetching } = useMachineTypeDriver({
+  const { machineTypes, isFetching } = useMachineTypeDriver({
     includeDrivers: false
   });
   const machineType = useMemo(