Move redirect/base body class to view (#31796)

app/controllers/redirect/base_controller.rb

@@ -4,7 +4,6 @@ class Redirect::BaseController < ApplicationController
   vary_by 'Accept-Language'
 
   before_action :set_resource
-  before_action :set_app_body_class
 
   def show
     @redirect_path = ActivityPub::TagManager.instance.url_for(@resource)
@@ -14,10 +13,6 @@ class Redirect::BaseController < ApplicationController
 
   private
 
-  def set_app_body_class
-    @body_classes = 'app-body'
-  end
-
   def set_resource
     raise NotImplementedError
   end

app/views/redirects/show.html.haml

@@ -2,6 +2,8 @@
   %meta{ name: 'robots', content: 'noindex, noarchive' }/
   %link{ rel: 'canonical', href: @redirect_path }
 
+- content_for :body_classes, 'app-body'
+
 .redirect
   .redirect__logo
     = link_to render_logo, root_path