Set the actor info earlier and make sure we load the conversation and participant into the store also for guests
Set the actor info earlier and make sure we load the conversation and participant into the store also for guests

Signed-off-by: Joas Schilling <ab43a7c9cb5b2380afc4ddf8b3e2583169b39a02@schilljs.com>

nextcloud/spreed,nextcloud/spreed,nextcloud/spreed