Ability to add several time the same contact during call

Screen_recording_20231025_170649

added SprintTo review label

assigned to @pnicolas

jami-client-qt#1381 (comment 46103) Perhaps there are similarities between the two

The video is about swarm call or conference, I think it isn't related to duplicate conversations.

mentioned in commit a49e7659

added SprintDone label and removed SprintTo review label

closed