Fix static CSS generation

core/templates/static.template.css.tid

@@ -1,4 +1,5 @@
 title: $:/core/templates/static.template.css
 
 {{$:/boot/boot.css||$:/core/templates/plain-text-tiddler}}
-{{{ [tag[$:/tags/stylesheet]] [is[shadow]tag[$:/tags/stylesheet]] ||$:/core/templates/wikified-tiddler}}}
+
+{{$:/core/ui/PageStylesheet||$:/core/templates/wikified-tiddler}}