Created by: MartijnCuppens
Cherrypicked from https://github.com/twbs/bootstrap/commit/e07036986ec072f9d57f3e43af8716e4d63bf119
Fixes dart sass compatibility.
Created by: MartijnCuppens
Cherrypicked from https://github.com/twbs/bootstrap/commit/e07036986ec072f9d57f3e43af8716e4d63bf119
Fixes dart sass compatibility.