Don't add js-task-list-container to things the user can't edit

app/helpers/notes_helper.rb

@@ -9,6 +9,10 @@ module NotesHelper
     hidden_field_tag(:target_id, note.noteable.id)
   end
 
+  def note_editable?(note)
+    note.editable? && can?(current_user, :admin_note, note)
+  end
+
   def link_to_commit_diff_line_note(note)
     if note.for_commit_diff_line?
       link_to(

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

@@ -31,7 +31,7 @@
       = gfm escape_once(@issue.title)
     %div
       - if @issue.description.present?
-        .description.js-task-list-container
+        .description{class: can?(current_user, :modify_issue, @issue) ? 'js-task-list-container' : ''}
           .wiki
             = preserve do
               = markdown(@issue.description)

app/views/projects/merge_requests/show/_mr_box.html.haml

@@ -3,7 +3,7 @@
 
 %div
   - if @merge_request.description.present?
-    .description.js-task-list-container
+    .description{class: can?(current_user, :modify_merge_request, @merge_request) ? 'js-task-list-container' : ''}
       .wiki
         = preserve do
           = markdown(@merge_request.description)

app/views/projects/notes/_note.html.haml

@@ -13,7 +13,7 @@
             = icon('link')
             Link here
            
-          - if can?(current_user, :admin_note, note) && note.editable?
+          - if note_editable?(note)
             = link_to '#', title: 'Edit comment', class: 'js-note-edit' do
               = icon('pencil-square-o')
               Edit
@@ -50,7 +50,7 @@
               \-1
 
 
-      .note-body.js-task-list-container
+      .note-body{class: note_editable?(note) ? 'js-task-list-container' : ''}
         .note-text
           = preserve do
             = markdown(note.note, {no_header_anchors: true})