Fix php warning
Fix php warning

Declaration of atk4\ui\jsSSE::terminate($ajaxec, $success = true)
should be compatible with atk4\ui\jsCallback::terminate($ajaxec, $msg =
NULL, $success = true) in
/Users/abelair/Dev-Prod/atk-ui/ui/src/jsSSE.php

atk4/ui,atk4/ui,atk4/ui