The assistant editor doesn't automatically switch to the custom call when selected

Hi in Xcode the assistant editor doesn't automatically switch to the custom class that is assigned to the collection view cell in storyboard but switch to other view controller works.

Below is a recording of my problem

Code Block language
code-block
https://www.youtube.com/watch?v=eZLYMZ9RSx4



The assistant editor doesn't automatically switch to the custom call when selected
 
 
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