overscrollYAuto method

ScrollBuilder overscrollYAuto()

overscroll-y-auto -> Y轴允许过度滚动

Implementation

ScrollBuilder overscrollYAuto() {
  // 对于 Y 轴，我们保持默认的 BouncingScrollPhysics
  _physics ??= const BouncingScrollPhysics();
  return this;
}