refactor(orders): rename OrdersReceived to ReceivedOrders; add warehouse module label

Renames the received-orders page for naming consistency, updates the Orders tab
import and the issued-order create button label, and adds the Sklad module
label to role management.

src/admin/pages/Orders.tsx

@@ -6,7 +6,7 @@ import IconButton from "@mui/material/IconButton";
 import { useAuth } from "../context/AuthContext";
 import Forbidden from "../components/Forbidden";
 import { Button, Tabs, PageHeader, PageEnter, LoadingState } from "../ui";
-import OrdersReceived from "./OrdersReceived";
+import OrdersReceived from "./ReceivedOrders";
 
 const IssuedOrders = lazy(() => import("./IssuedOrders"));
 
@@ -115,7 +115,7 @@ export default function Orders() {
                 startIcon={PlusIcon}
                 onClick={() => navigate("/orders/issued/new")}
               >
-                Vytvořit objednávku vydanou
+                Vytvořit objednávku
               </Button>
             ) : (
               <Button startIcon={PlusIcon} onClick={() => setCreateOpen(true)}>

src/admin/pages/Settings.tsx

@@ -113,6 +113,7 @@ const MODULE_LABELS: Record<string, string> = {
   orders: "Objednávky",
   projects: "Projekty",
   invoices: "Faktury",
+  warehouse: "Sklad",
   customers: "Zákazníci",
   users: "Uživatelé",
   settings: "Nastavení",