Fix API param values for servers adding in DecortController._lb_update_backends method

module_utils/decort_utils.py

@@ -4664,8 +4664,8 @@ class DecortController(object):
                                 serverName = server['name'],
                                 address = server['address'],
                                 port = mod_back['port'],
-                                check = server['check'] if "check" in server else None,
-                                **server['server_settings'] if "server_settings" in server else {},
+                                check = mod_back['check'] if "check" in mod_back else None,
+                                **mod_back['server_settings'] if "server_settings" in mod_back else {},
                                 )
                     api_resp = self.decort_api_call(requests.post, "/restmachine/cloudapi/lb/backendServerAdd", api_params)
                     self.result['changed'] = True