splitter inputs not updating

[hapes]

1. Place two containers.
2. Set each container to be infinite source with just one item.
3. Connect each container to a splitter or whatever, then analyze.
4. Delete the belts connected to the containers, then analyze.
5. Connect the containers again, then analyze.

https://satisgraphtory.com/#aDdobGs%3D

Look at the splitter inputs. The bottom one is taking in wire, but says Rubber in. The top one is taking in rubber, but says Wire in.