Conduit edge case test failing

[ianh]

$ make run-tests && ./run-tests
<...>
collision in 'test/solution/edge-cases/conduit-c544897394273089-12.solution' at -6, 2: atom moved while being held stationary by another arm
cycle mismatch for 'test/solution/edge-cases/conduit-c544897394273089-12.solution'
solution file says cycle count is: 15
simulation says cycle count is: 5

Here's a GIF of the solution:

[ianh]

@Grimy is this something that would have been affected by your recent changes?