Add: Misskeyに相互限定投稿を配送しないオプション (#499)

app/services/process_mentions_service.rb

@@ -105,7 +105,10 @@ class ProcessMentionsService < BaseService
   def process_mutual!
     mentioned_account_ids = @current_mentions.map(&:account_id)
 
-    @status.account.mutuals.reorder(nil).find_each do |target_account|
+    mutuals = @status.account.mutuals
+    mutuals = mutuals.where.not(domain: InstanceInfo.where(software: 'misskey').select(:domain)).or(mutuals.where(domain: nil)) if @status.account.user&.setting_reject_send_limited_to_suspects
+
+    mutuals.reorder(nil).find_each do |target_account|
       @current_mentions << @status.mentions.new(silent: true, account: target_account) unless mentioned_account_ids.include?(target_account.id)
     end
   end