N°3786 - Add pause at the end of the page unload async request to follow the guideline used in N°2763

js/forms-json-utils.js

@@ -115,10 +115,11 @@ function OnUnload(sTransactionId, sObjClass, iObjKey, sToken)
 		// IMPORTANT: the ajax request MUST BE synchronous to be executed in this context
 		$.ajax({
 			url: GetAbsoluteUrlAppRoot()+'pages/ajax.render.php',
-			async: false,
+			async: true,
 			method: 'POST',
 			data: {operation: 'on_form_cancel', transaction_id: sTransactionId, obj_class: sObjClass, obj_key: iObjKey, token: sToken }
 		});
+		CombodoGlobalToolbox.Pause(1000);
 	}
 }