Fixes for wp attributes layout with long values [fixup]

https://www.openproject.org/work_packages/14596
https://www.openproject.org/work_packages/16341
@hschink I would have liked to use `replace: true` here (thus removing the `accessible-by-keyboard` element from the DOM). This won't work though because the `executeOnEnter` also requires an isolated scope. An alternative option would be to wrap the current template in a root `<span>`.