Change RTL detection to rely on unicode-bidi paragraph by paragraph (#14573)

app/views/statuses/_detailed_status.html.haml

@@ -20,7 +20,7 @@
       %p<
         %span.p-summary> #{Formatter.instance.format_spoiler(status, autoplay: autoplay)}&nbsp;
         %button.status__content__spoiler-link= t('statuses.show_more')
-    .e-content{ dir: rtl_status?(status) ? 'rtl' : 'ltr' }
+    .e-content
       = Formatter.instance.format(status, custom_emojify: true, autoplay: autoplay)
       - if status.preloadable_poll
         = react_component :poll, disabled: true, poll: ActiveModelSerializers::SerializableResource.new(status.preloadable_poll, serializer: REST::PollSerializer, scope: current_user, scope_name: :current_user).as_json do