app/views/admin/communication/contents/_write.html.erb
<%= render 'admin/communication/blocks/add', about: about if about.large_number_of_blocks? %>
<div class=" content-editor__elements
content-editor--write
content-editor__elements__root
js-content-editor-sortable-container"
id="content-editor-elements-root">
<% about.blocks.ordered.each do |block| %>
<%= render 'admin/communication/blocks/block', block: block %>
<% end %>
</div>
<%= render "admin/communication/blocks/paste_block", about: about %>
<%= render 'admin/communication/blocks/add', about: about %>