refactor un/focus logic; fixes a few logic holes I could find
refactor un/focus logic; fixes a few logic holes I could find

Kindling/react-tinymce-mentions,Kindling/react-tinymce-mentions,catalinmiron/react-tinymce-mention,Kindling/react-tinymce-mention,catalinmiron/react-tinymce-mention,Kindling/react-tinymce-mention,Kindling/react-tinymce-mentions,Kindling/react-tinymce-mention,catalinmiron/react-tinymce-mention