New Magic Folder button `(+)` animation broken

!46 (merged), added to help with !44 (merged), broke the Floating Action Button (FAB) (+) ripple animation.

This is fixed in recent upstream material web components, but we can't use them because of a regression.

https://github.com/aurelia-ui-toolkits/aurelia-mdc-web/commit/eb5f1e16f701b7ebd0fedd43437c381e8d0757cf Possible fix (needs our own building MDC): https://github.com/material-components/material-components-web/issues/7053