[fix] socketio 2.0 (#3257)

frappe/utils/data.py

@@ -613,6 +613,9 @@ def get_url(uri=None, full_address=False):
 	if not uri and full_address:
 		uri = frappe.get_request_header("REQUEST_URI", "")
 
+	if frappe.conf.http_port:
+		host_name = host_name + ':' + str(frappe.conf.http_port)
+
 	url = urllib.basejoin(host_name, uri) if uri else host_name
 
 	return url