getOffsetAdjustment({
    containerSize,
    offset, // safe
  }: ContainerSizeAndOffset): number {
    const totalSize = this._cellSizeAndPositionManager.getTotalSize();
    const safeTotalSize = this.getTotalSize();
    const offsetPercentage = this._getOffsetPercentage({
      containerSize,
      offset,
      totalSize: safeTotalSize,
    });

    return Math.round(offsetPercentage * (safeTotalSize - totalSize));
  }
Number of pixels a cell at the given position (offset) should be shifted in order to fit within the scaled container.
The offset passed to this function is scaled (safe) as well.