Twill 2.8.4

Fixes

• Fix error in block editor. by @haringsrob in #1659

Notes

The twill assets are now shipped in /vendor/area17/twill/twill-assets instead of the /vendor/area17/twill/dist folder, unless you directly use this folder this should not be breaking.

Always use php artisan twill:update to update assets.

Full Changelog: 2.8.3...2.8.4