[Feature Request] Use for the Mint-L Theme the more modern 20.3 theme and icon layout

[tuxfanmatze]

I especially like the old green mint pastel icons and theme and find that this is also good for the eyes when viewing, especially for the Nemo-Filemanager Layout and so on.

• But please use the following more modern Mint-L Layout from Cinnamon 20.3 than the very old one:
  

• instead of theese old one:
  

I always install a downgrade of the mint-theme to mint-themes_2.0.5_all.deb since Cinnamon 21.0 or. 21.1 to get these more modern mint pastel look.