Aniket Kumar authored Mar 21, 2020 and Simon Redman committed Mar 21, 2020

## Summary

Start a conversation with contacts having no previous conversation with.

It is currently only possible to use the messaging app to send a message to a conversation which already exists.

This patch implements this feature by integrating all contacts having no prior conversation with the recent conversations in the recent conversation list and at the bottom in a sorted manner, something like this,

The contacts are stored in the recent conversation list model as a conversation but with INVALID conversation ID and INVALID conversation DATE.

## Testing

Testing just needs kdeconnect daemon to be recompiled and executed.