add overnight desk handling and effective window configuration for train schedules

apps/edr-freight-web/backoffice/src/components/trainScheduling/BookingWindowSettingsModal.tsx

@@ -291,17 +291,18 @@ export default function BookingWindowSettingsModal({
               label="Run 24 hours a day (never pause overnight)"
               checked={is24h}
               disabled={isExport}
-              onChange={(e) =>
+              onChange={(e) => {
+                const checked = e.currentTarget.checked;
                 setForm((f) => {
                   if (!f) return f;
                   // On → close == open (24h desk). Off → restore a normal ~9h
                   // day, always kept ≥ open hour so it never lands invalid.
-                  const close = e.currentTarget.checked
+                  const close = checked
                     ? f.windowOpenHour
                     : Math.min(23, f.windowOpenHour + 9);
                   return { ...f, windowCloseHour: close };
-                })
-              }
+                });
+              }}
             />
             {!isExport ? (
               <Text size="xs" c="dimmed" mt={6}>