Brompton: Recompile editor styles with the latest varia changes

- Add `.background-dim` support
- Fix Button color selector specificity
- Add table block support
- Clean up cover block styles
- Clean up utility styles

brompton/style-editor.css

@@ -1101,43 +1101,36 @@ table.is-style-stripes tbody tr:nth-child(odd),
 .wp-block .has-secondary-background-color,
 .has-secondary-background-color {
 	background-color: #FFFFFF;
-	color: #E8E4DD;
 }
 
 .wp-block .has-foreground-background-color,
 .has-foreground-background-color {
 	background-color: #252E36;
-	color: #E8E4DD;
 }
 
 .wp-block .has-foreground-light-background-color,
 .has-foreground-light-background-color {
 	background-color: #666666;
-	color: #E8E4DD;
 }
 
 .wp-block .has-foreground-dark-background-color,
 .has-foreground-dark-background-color {
 	background-color: #474747;
-	color: #E8E4DD;
 }
 
 .wp-block .has-background-light-background-color,
 .has-background-light-background-color {
 	background-color: #CFCDC7;
-	color: #252E36;
 }
 
 .wp-block .has-background-dark-background-color,
 .has-background-dark-background-color {
 	background-color: #B9B6B2;
-	color: #252E36;
 }
 
 .wp-block .has-background-background-color,
 .has-background-background-color {
 	background-color: #E8E4DD;
-	color: #252E36;
 }
 
 .is-small-text,