same rendering for note diff as for usual diff

app/views/projects/notes/discussions/_diff.html.haml

@@ -21,7 +21,7 @@
             - else
               %td.old_line= raw(line.type == "new" ? " " : line.old_pos)
               %td.new_line= raw(line.type == "old" ? " " : line.new_pos)
-              %td.line_content{class: "noteable_line #{line.type} #{line_code}", "line_code" => line_code}= raw "#{line.text}  "
+              %td.line_content{class: "noteable_line #{line.type} #{line_code}", "line_code" => line_code}= raw diff_line_content(line.text)
 
               - if line_code == note.line_code
                 = render "projects/notes/diff_notes_with_reply", notes: discussion_notes