Add a visibility icon to status (#14123)

* Add a visibility icon to status

* Change to using the icon element

* Fix RTL

* Add a public globe

app/views/statuses/_simple_status.html.haml

@@ -1,8 +1,10 @@
-.status
+.status{ class: "status-#{status.visibility}" }
   .status__info
     = link_to ActivityPub::TagManager.instance.url_for(status), class: 'status__relative-time u-url u-uid', target: stream_link_target, rel: 'noopener noreferrer' do
       %time.time-ago{ datetime: status.created_at.iso8601, title: l(status.created_at) }= l(status.created_at)
     %data.dt-published{ value: status.created_at.to_time.iso8601 }
+    %span.status__visibility-icon
+      = visibility_icon status
 
     .p-author.h-card
       = link_to ActivityPub::TagManager.instance.url_for(status.account), class: 'status__display-name u-url', target: stream_link_target, rel: 'noopener noreferrer' do