shorten path to global CSS folder (#42975)

Author: RickR2H

templates/cassiopeia/index.php

@@ -66,7 +66,7 @@
 // Enable assets
 $wa->usePreset('template.cassiopeia.' . ($this->direction === 'rtl' ? 'rtl' : 'ltr'))
     ->useStyle('template.active.language')
-    ->registerAndUseStyle($assetColorName, 'media/templates/site/cassiopeia/css/global/' . $paramsColorName . '.css')
+    ->registerAndUseStyle($assetColorName, 'global/' . $paramsColorName . '.css')
     ->useStyle('template.user')
     ->useScript('template.user')
     ->addInlineStyle(":root {