Refactor: replace whitelist_mode mentions with limited_federation_mode (#26252)

app/services/concerns/payloadable.rb

@@ -23,6 +23,6 @@ module Payloadable
   end
 
   def signing_enabled?
-    ENV['AUTHORIZED_FETCH'] != 'true' && !Rails.configuration.x.whitelist_mode
+    ENV['AUTHORIZED_FETCH'] != 'true' && !Rails.configuration.x.limited_federation_mode
   end
 end

app/services/unallow_domain_service.rb

@@ -4,7 +4,7 @@ class UnallowDomainService < BaseService
   include DomainControlHelper
 
   def call(domain_allow)
-    suspend_accounts!(domain_allow.domain) if whitelist_mode?
+    suspend_accounts!(domain_allow.domain) if limited_federation_mode?
 
     domain_allow.destroy
   end