* fix(offcanvas): activate focustrap when backdrop is enabled
* Adding tabindex='-1' for both offcanvases in the docs
* Remove useless aria-expanded='false' in togglers
* Update js/tests/unit/offcanvas.spec.js
Co-authored-by: Julien Déramond <julien.deramond@orange.com>
Co-authored-by: Julien Déramond <juderamond@gmail.com>
Co-authored-by: Patrick H. Lauke <redux@splintered.co.uk>