Merge branch 'set-highlight-theme-for-blame-page' into 'master'

Set the user preferred highlight theme for the Blame page during server side rendering

See merge request gitlab-org/gitlab!74335

app/views/projects/blame/show.html.haml

@@ -20,7 +20,7 @@
       %span.legend-box.legend-box-9
       %span.right-label Older
 
-    .table-responsive.file-content.blame.code.js-syntax-highlight
+    .table-responsive.file-content.blame.code{ class: user_color_scheme }
       %table
         - current_line = 1
         - @blame.groups.each do |blame_group|