fix day 1 target weight bug and chicken counting row not showed before publish cutoff

components/counting/__tests__/DataManagementPage.test.tsx

@@ -55,7 +55,7 @@ vi.mock('../../../context/FarmContext.tsx', () => ({
       current_day: 1,
       visible_through_date: '2026-08-10',
       start_date: '2026-08-10',
-      end_date: '2026-09-13',
+      end_date: null,
       chick_in_weight: 45,
       doc_in_count: 20000,
       doc_in_weight: 45,