Describe the Bug

When trying to put items into a trains chest using the portable storage interface my items dissapear and dont make it to the chest but aren't in the starting chest/hoppers.

Reproduction Steps

1.Make a hopper going downward into a portable interface
2. make a portable interface with a chest 1 block to the right and up on a train
3. put items into the first hopper and assemble the train in theroy you should have your items flowing from the hopper to the chest.

...

Expected Result

To have this addressed or to have taught to me how to correctly make this.

Screenshots and Videos

see reproduction

Crash Report or Log

No response

Operating System

Windows 11

Mod Version

0.5.0

Minecraft Version

1.18.2

Forge Version

40.1.0

Other Mods

was not a crash

Additional Context

No response