Platform admin: Highlight service in research mode

Research mode trumps live.

Copies the same style we use in the page footer.

app/assets/stylesheets/main.scss

@@ -53,6 +53,7 @@ $path: '/static/images/';
 @import 'components/show-more';
 @import 'components/message';
 @import 'components/phone';
+@import 'components/research-mode';
 
 @import 'views/job';
 @import 'views/edit-template';