Customer displays were all using the same URL and therefore could only show the same products. We now use different URLs per screen. Two screens connected to the same IoT Box can now display customer displays from different POS. closes odoo/odoo#41026 Taskid: 2123511 X-original-commit: 12569b0e7f7a9e447f8df908597131911c5cfef8 Signed-off-by: Antoine Prieëls <aprieels@users.noreply.github.com>