Potion Mixing

Fixed an incompatibility issue with mods that increase the maximum stack limit.

Fixed a bug where merging potions did not return empty bottles.

Fixed an issue where re-brewing potions at the brewing stand caused them to lose their effects.

修复了与增加堆叠上限类型模组不兼容的bug。

修复了合并药水不返还瓶子的bug。

修复了药水在炼药台二次炼制会丢失药水效果的bug。