Kateryna Kostiuk authored Oct 26, 2017 and Andreas Traczyk committed Oct 27, 2017

-When checking if contact accept the invitation conversation ringId was 
used and that caused error when conversation is not exists. This patch 
fix it by using recepient ringID.
-Conversation View Model is creating two times for each conversation. 
One when creating SmartList and then when conversation is celected. 
This patch use existing view model to present cinversation.

Change-Id: I67cb334efc61017b5b1f26573879b736a83b0fa3
Reviewed-by: Andreas Traczyk <andreas.traczyk@savoirfairelinux.com>