set local_only in a before_create callback instead of status service

app/models/status.rb

@@ -141,6 +141,8 @@ class Status < ApplicationRecord
 
   around_create Mastodon::Snowflake::Callbacks
 
+  before_create :set_locality
+
   before_validation :prepare_contents, if: :local?
   before_validation :set_reblog
   before_validation :set_visibility
@@ -302,6 +304,12 @@ class Status < ApplicationRecord
     self.sensitive = sensitive || spoiler_text.present?
   end
 
+  def set_locality
+    if account.domain.nil?
+      self.local_only = marked_local_only?
+    end
+  end
+
   def set_conversation
     self.reply = !(in_reply_to_id.nil? && thread.nil?) unless reply