Annoying new design of the mail folder display

I'm using KMail version 5.7.2

The new format of displaying mail folders and unread emails is very annoying 
because each time I open it, I have to re-size it, for anything to be visible. 

In the earlier view, the unread mail count in brackets against each folder 
gave me all the information I needed at a glance.

Is there any way I can revert to the old way?

Vishnu
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