When I use !code or other bang of my custom assistants, instead of opening the query to said custom assistant, it open it in the last assistant I used.
Actually, if I look carefully, when the page first loads I can briefly see the intended assistant name, but it changes fast to the old assistant, and then it runs the query. Same happens even with no query at all (to open the base path of the assistant). I made a screen recording
Sometimes it gets it right though and opens the right assistant but it is a bit random.
I would expect to open the "code" assistant not the last one I used.
edit: it happens in both firefox and orion for me that I tried.