Compile Sass to CSS with sassc so as to alphabetize selectors and use UTF-8

Attempting to match CSS compiling results of a themer we are working with— alphabetical selectors and UTF-8 encoding.

Only mentioned working solution for alphabetizing is VSCode-specific:

Meanwhile adding @charset "UTF-8"; to the start of our scss file that pulls everything together gets ignored for us, despite it being an accepted fix here: