LRC: calls which are ongoing in the daemon when a client is launched don't show up in the RecentModel

Issue generated from Tuleap's migration script. Originally submitted by: Stepan Salenikovich (ssalenik)

If a call is ongoing in the daemon at the time a client is lauched, LRC seems to be aware of the call in the CallModel, but it doesn't show up in the RecentModel.

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