Handle multiple gpg keys

src/freedombone-app-xmpp

     if [ ! -d /home/$new_username/.config/profanity ]; then
         mkdir -p /home/$new_username/.config/profanity
     fi
-    GPG_PUBLIC_KEY_ID=$(su -c "gpg --list-keys $new_username@$HOSTNAME | grep 'pub '" - $new_username | awk -F ' ' '{print $2}' | awk -F '/' '{print $2}')
+    GPG_PUBLIC_KEY_ID=$(su -c "gpg --list-keys $new_username@$HOSTNAME | grep 'pub '" - $new_username | head -n 1 | awk -F ' ' '{print $2}' | awk -F '/' '{print $2}')
     echo "[${new_username}@${HOSTNAME}]" > $XMPP_CLIENT_ACCOUNTS
     echo 'enabled=true' >> $XMPP_CLIENT_ACCOUNTS
     echo "jid=${new_username}@${HOSTNAME}" >> $XMPP_CLIENT_ACCOUNTS