manager: Remove a redundant variable
chatty_conv->tab_cont and chatty_conv->chat_view were pointing to the same widget. So unify code to use chatty_conv->chat_view everywhere and remove the unused variable.
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chatty_conv->tab_cont and chatty_conv->chat_view were pointing to the same widget. So unify code to use chatty_conv->chat_view everywhere and remove the unused variable.