Describe the Bug

Hello. Im wanted to place a painting to my train, every is glued but when you assembly the train - painting just drop.
The same with item frame and map, it just drop when you assembly a train.

Reproduction Steps

1. Just place any painting to train
2. Assembly train

Expected Result

Im want to place painting in train

Screenshots and Videos

No response

Crash Report or Log

No response

Operating System

Windows 11

Mod Version

0.5.1e

Minecraft Version

1.18.2

Forge Version

40.2.10

Other Mods

No response

Additional Context

No response

Paintings and Item Frames are not Blocks and actually Entities, therefore they don't get assembled on the contraptions. It's not a bug.
Adding those to a contraptions could be useful though, so you could change this from bug to a suggestion.