Check was in wrong part, the avatar container class should always be added on...

Check was in wrong part, the avatar container class should always be added on lines in the changes tab

app/views/projects/diffs/_line.html.haml

@@ -5,7 +5,6 @@
 - line_code = diff_file.line_code(line)
 - if discussions && !line.meta?
   - discussion = discussions[line_code]
-  - show_discussion_avatars = discussion && discussion.resolvable? && !plain
 %tr.line_holder{ class: type, id: (line_code unless plain) }
   - case type
   - when 'match'
@@ -15,13 +14,13 @@
     %td.new_line.diff-line-num
     %td.line_content.match= line.text
   - else
-    %td.old_line.diff-line-num{ class: [type, ("js-avatar-container" if show_discussion_avatars)], data: { linenumber: line.old_pos } }
+    %td.old_line.diff-line-num{ class: [type, ("js-avatar-container" if !plain)], data: { linenumber: line.old_pos } }
       - link_text = type == "new" ? " " : line.old_pos
       - if plain
         = link_text
       - else
         %a{ href: "##{line_code}", data: { linenumber: link_text } }
-      - if show_discussion_avatars
+      - if discussion && discussion.resolvable? && !plain
         %diff-note-avatars{ "discussion-id" => discussion.id }
     %td.new_line.diff-line-num{ class: type, data: { linenumber: line.new_pos } }
       - link_text = type == "old" ? " " : line.new_pos