[TASK] Replace WAAPI polyfill for Dashboard

For proper animations during drag / drop of the widgets
at the Dashboard, we need a Web Animations API polyfill
for some browsers.

This patch replaces the current polyfill with a lightweight
MIT-licensed library.

Resolves: #91072
Releases: master
Change-Id: Ic04d97ab1d1a16a99aa92522552b4b060ced31e8
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/64206


Tested-by: TYPO3com <noreply@typo3.com>
Tested-by: Christian Eßl <indy.essl@gmail.com>
Tested-by: Josef Glatz <josefglatz@gmail.com>
Tested-by: Benjamin Franzke <bfr@qbus.de>
Reviewed-by: Josef Glatz <josefglatz@gmail.com>
Reviewed-by: Benni Mack <benni@typo3.org>
Reviewed-by: Christian Eßl <indy.essl@gmail.com>
Reviewed-by: Benjamin Franzke <bfr@qbus.de>