[MCPE-57637] Hopper minecarts pull items from other hopper/chest-minecarts which are diagonally up to the south or east

Note from [Mod] GoldenHelmet

The bug here is actually a +0.5 offset in each direction in the reference point that the check range for container entities is based on. This is just like MCPE-167490 but in the opposite direction. See comment

If you have a hopper minecart one one level and another hopper minecart one level below and to the left (north side on an east/west orientation or the west side in a north/south orientation) you will get item transfer from the top hopper minecart to the bottom hopper minecart. This will not occur with a hopper minecart to the right of the top hopper. Sometimes this transfer will not occur if the bottom hopper minecart has a block with an inventory above it. I don't know why this isn't consistent.