[FIX] hw_screen: Add delay to longpolling

When an error occurred in the longpolling, we used to resend a new
request immediately. This resulted in thousands of request in a few
seconds when we lost connection to the box.

closes odoo/odoo#32544

Signed-off-by: Quentin Lejeune (qle) <qle@odoo.com>

addons/hw_screen/static/src/js/worker.js

@@ -47,14 +47,17 @@
                             foreign_js();
                         }
                     }
-                },
-
-                complete: function(jqXHR,err) {
                     if (!stop_longpolling) {
                         longpolling();
                     }
                 },
 
+                error: function (jqXHR, status, err) {
+                    if (!stop_longpolling) {
+                        setTimeout(longpolling, 5000);
+                    }
+                },
+
                 timeout: 30000,
             });
         };