Fix quote nesting at once, add quote_id

app/serializers/rest/status_serializer.rb

@@ -15,10 +15,11 @@ class REST::StatusSerializer < ActiveModel::Serializer
   attribute :content, unless: :source_requested?
   attribute :text, if: :source_requested?
 
+  attribute :quote_id, if: -> { object.quote? }
+
   belongs_to :reblog, serializer: REST::StatusSerializer
   belongs_to :application, if: :show_application?
   belongs_to :account, serializer: REST::AccountSerializer
-  belongs_to :quote, serializer: REST::StatusSerializer
 
   has_many :media_attachments, serializer: REST::MediaAttachmentSerializer
   has_many :ordered_mentions, key: :mentions
@@ -40,6 +41,10 @@ class REST::StatusSerializer < ActiveModel::Serializer
     object.in_reply_to_account_id&.to_s
   end
 
+  def quote_id
+    object.quote_id.to_s
+  end
+
   def current_user?
     !current_user.nil?
   end
@@ -168,3 +173,13 @@ class REST::StatusSerializer < ActiveModel::Serializer
     end
   end
 end
+
+class REST::NestedQuoteSerializer < REST::StatusSerializer
+  attribute :quote do
+    nil
+  end
+end
+
+class REST::StatusSerializer < ActiveModel::Serializer
+  belongs_to :quote, serializer: REST::NestedQuoteSerializer
+end