Fix inversion of emoji colours based on dark/light mode (#37120)

app/javascript/styles/common.scss

@@ -1,3 +1,4 @@
+@use 'mastodon/variables';
 @use 'mastodon/mixins';
 @use 'fonts/roboto';
 @use 'fonts/roboto-mono';
@@ -21,5 +22,4 @@
 @use 'mastodon/admin';
 @use 'mastodon/dashboard';
 @use 'mastodon/rtl';
-@use 'mastodon/accessibility';
 @use 'mastodon/rich_text';