ShowManager: make modals submit on Enter
currently the modal submit button has to be hit explicitly. we want them to submit also when the user hits enter within the modal as long as there is no other reason to not do so (e.g. multiline fields).
currently the modal submit button has to be hit explicitly. we want them to submit also when the user hits enter within the modal as long as there is no other reason to not do so (e.g. multiline fields).