Refactor formatter (#17828)

* Refactor formatter

* Move custom emoji pre-rendering logic to view helpers

* Move more methods out of Formatter

* Fix code style issues

* Remove Formatter

* Add inline poll options to RSS feeds

* Remove unused helper method

* Fix code style issues

* Various fixes and improvements

* Fix test

app/serializers/activitypub/actor_serializer.rb

@@ -2,6 +2,7 @@
 
 class ActivityPub::ActorSerializer < ActivityPub::Serializer
   include RoutingHelper
+  include FormattingHelper
 
   context :security
 
@@ -102,7 +103,7 @@ class ActivityPub::ActorSerializer < ActivityPub::Serializer
   end
 
   def summary
-    object.suspended? ? '' : Formatter.instance.simplified_format(object)
+    object.suspended? ? '' : html_aware_format(object.note, object.local?)
   end
 
   def icon
@@ -185,6 +186,8 @@ class ActivityPub::ActorSerializer < ActivityPub::Serializer
   end
 
   class Account::FieldSerializer < ActivityPub::Serializer
+    include FormattingHelper
+
     attributes :type, :name, :value
 
     def type
@@ -192,7 +195,7 @@ class ActivityPub::ActorSerializer < ActivityPub::Serializer
     end
 
     def value
-      Formatter.instance.format_field(object.account, object.value)
+      html_aware_format(object.value, object.account.value?, with_rel_me: true, with_domains: true, multiline: false)
     end
   end