Split between "chats" and "new chats" is confusing
The later has search (nice!) while the former hasn't. Also if I have started a chat with a person already I can't find it in "new chat" anymore so I have to remember to search in both lists. With lots of "conversations" this is cumbersome and I end up searching in the wrong list.
Befor the "chats" view was introduced this problem didn't even exist.
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