fix: Add selectionMode to DataTable for materiels

app/(main)/planning/materiel/page.tsx

@@ -1038,6 +1038,7 @@ const MaterielPage = () => {
                                             value={materiels}
                                             selection={selectedMateriels}
                                             onSelectionChange={(e) => setSelectedMateriels(e.value)}
+                                            selectionMode="checkbox"
                                             dataKey="id"
                                             paginator
                                             rows={10}