feat: remove sorting from signing document list

Sorting is done on the backend in Altinn/app-lib-dotnet#1511

Author: vxkc

src/layout/SigningDocumentList/api.ts

@@ -44,7 +44,7 @@ export function useDocumentList(
       return z
         .object({ dataElements: z.array(signingDocumentSchema) })
         .parse(response)
-        .dataElements.toSorted((a, b) => (a.filename ?? '').localeCompare(b.filename ?? ''));
+        .dataElements;
     },
     staleTime: 1000 * 60 * 30, // 30 minutes
     refetchOnMount: 'always',