Add untracked_message_types to Page Config
          #471
        
          
      
                
     Merged
            
            
          
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References jupyterlab/jupyterlab#17894
Description
Based on our discussion in the PR, we're exposing
untracked_message_typesto the Page Config.This change helps the frontend by giving it a clear way to identify which messages shouldn't update the kernel's status. As a result, we can solve the issue of unnecessary kernel status updates (jupyterlab/jupyterlab#14578)