Minor Bugfixes

Fixed border rendering+flipped brush selection colors

Updated to 1.21.11

Better creative mode easel interactions

• Easels drop items when broken by creative player
• Easels don't consume creative player's items

(from unvermuthet on github) Fixed painting ID not retaining between sessions on Windows

Easels no longer are destroyed when "killed" and non-vanilla-colors show up in the lower palette area again