[FIX] iot: Add new protocol to detect Zebra pinter

Some network Zebra printer are not detected because
the protocol 'socket' is not supported.

Now we add this protocol in the 'supported' function

closes odoo/odoo#56146

X-original-commit: f7fa40bdbbd765caf8fe528fff949b4dccf3d8c2
Signed-off-by: Quentin Lejeune (qle) <qle@odoo.com>
Signed-off-by: pimodoo <pimodoo@users.noreply.github.com>

addons/hw_drivers/iot_handlers/drivers/PrinterDriver.py

@@ -94,7 +94,7 @@ class PrinterDriver(Driver):
     def supported(cls, device):
         if device.get('supported', False):
             return True
-        protocol = ['dnssd', 'lpd']
+        protocol = ['dnssd', 'lpd', 'socket']
         if any(x in device['url'] for x in protocol) and device['device-make-and-model'] != 'Unknown' or 'direct' in device['device-class']:
             model = cls.get_device_model(device)
             ppdFile = ''