Added channelView with last messages to user popup

currently uses last messages from that channel - might want to use online logs later (or make a setting for that)

src/widgets/dialogs/UserInfoPopup.hpp

@@ -1,6 +1,7 @@
 #pragma once
 
 #include "widgets/BaseWindow.hpp"
+#include "widgets/helper/ChannelView.hpp"
 
 #include <pajlada/signals/signal.hpp>
 
@@ -36,6 +37,7 @@ private:
     QString userName_;
     QString userId_;
     ChannelPtr channel_;
+    ChannelView* lastMessages_;
 
     pajlada::Signals::NoArgSignal userStateChanged_;