Checkmk Werk 12522: Make UI forms submittable on enter

ID: 12522 Title: Make UI forms submittable on enter Component: Multisite Level: 1 Class: Bug fix Version: 2.1.0i1 Due to a changed design of UI forms the forms were not submittable upon pressing the enter key anymore. This is fixed: UI forms with text input fields are now submittable on enter.