Fixes last little pathing mistakes from rename

All specs are passing in all gems and in test-app

Properly generates open api 3 swagger via rake rswag:specs:swaggerize and via bundle exec rspec in test-app dir

rswag-api/lib/open_api/rswag/api/configuration.rb

@@ -1,11 +1,13 @@
-module OpenApi::Rswag
-  module Api
-    class Configuration
-      attr_accessor :swagger_root, :swagger_filter
+module OpenApi
+  module Rswag
+    module Api
+      class Configuration
+        attr_accessor :swagger_root, :swagger_filter
 
-      def resolve_swagger_root(env)
-        path_params = env['action_dispatch.request.path_parameters'] || {}
-        path_params[:swagger_root] || swagger_root
+        def resolve_swagger_root(env)
+          path_params = env['action_dispatch.request.path_parameters'] || {}
+          path_params[:swagger_root] || swagger_root
+        end
       end
     end
   end

rswag-api/lib/open_api/rswag/api/engine.rb

@@ -1,12 +1,14 @@
 require 'open_api/rswag/api/middleware'
 
-module OpenApi::Rswag
-  module Api
-    class Engine < ::Rails::Engine
-      isolate_namespace Rswag::Api
+module OpenApi
+  module Rswag
+    module Api
+      class Engine < ::Rails::Engine
+        isolate_namespace OpenApi::Rswag::Api
 
-      initializer 'rswag-api.initialize' do |app|
-        middleware.use Rswag::Api::Middleware, Rswag::Api.config
+        initializer 'rswag-api.initialize' do |app|
+          middleware.use OpenApi::Rswag::Api::Middleware, OpenApi::Rswag::Api.config
+        end
       end
     end
   end