Remove EE-specific code from logs tree dropdown

app/views/projects/refs/logs_tree.js.haml

 - @logs.each do |content_data|
   - file_name = content_data[:file_name]
   - commit = content_data[:commit]
-  - lock_label = content_data[:lock_label]
   - next unless commit
 
   :plain
@@ -9,13 +8,7 @@
     row.find("td.tree-time-ago").html('#{escape_javascript time_ago_with_tooltip(commit.committed_date)}');
     row.find("td.tree-commit").html('#{escape_javascript render("projects/tree/tree_commit_column", commit: commit)}');
 
-  - if lock_label
-    :plain
-      var label = $("<span>")
-        .attr('title', '#{escape_javascript lock_label.html_safe}')
-        .attr('data-toggle', 'tooltip')
-        .addClass('fa fa-lock prepend-left-5');
-      row.find('td.tree-item-file-name').append(label);
+  = render_if_exists 'projects/refs/logs_tree_lock_label', lock_label: content_data[:lock_label]
 
 - if @more_log_url
   :plain

ee/app/views/projects/refs/_logs_tree_lock_label.js.haml

+- lock_label = local_assigns.fetch(:lock_label)
+- return unless lock_label
+
+:plain
+  var label = $("<span>")
+    .attr('title', '#{escape_javascript lock_label.html_safe}')
+    .attr('data-toggle', 'tooltip')
+    .addClass('fa fa-lock prepend-left-5');
+  row.find('td.tree-item-file-name').append(label);