Fix Rails 7

Author: camertron

lib/view_component/engine.rb

@@ -50,11 +50,13 @@ class Engine < Rails::Engine # :nodoc:
       end
     end
 
-    config.after_routes_loaded do |app|
+    config.after_routes_loaded do
       ActiveSupport.on_load(:view_component) do
         if defined?(Sprockets::Rails)
           include Sprockets::Rails::Helper
 
+          app = Rails.application
+
           # Copy relevant config to VC context
           # See: https://github.com/rails/sprockets-rails/blob/266ec49f3c7c96018dd75f9dc4f9b62fe3f7eecf/lib/sprockets/railtie.rb#L245
           self.debug_assets = app.config.assets.debug