This refactors and fixes unicode issues where entities don't display
properly due to being a special character that seems to be rendered
incorrectly in a non-deterministic way every time.
This either removes aria-hidden=true assignments from buttons with
text, or adds a span to only hide the 'x' symbol rather than the
button for closing buttons.
We are doing this refactor for the sake of keeping our template
consistent with the indentation policy and maintaining its
readability at the same time.
Brock Whittaker
Vaida Plankyte
Aditya Bansal