So I’ve managed to reduce the test case down a bit to try and understand what is happening. I will continue to debug this but this is where I am at now: n8n - ▶️ My workflow 5 - 6 April 2024 | Loom
EDIT
Ok so after making a discovery I think I understand what is happening now. I just don’t understand why it is happening 
n8n - ▶️ My workflow 5 - 6 April 2024 | Loom