Inherit from builder instead of monkey patching it

We were monkey-patching FoundationRailsHelper::Formbuilder, which made
form customization difficult. We can inherit from it, which is the
standard way of extending what an existing class does, and make our form
the default one.

app/controllers/application_controller.rb

@@ -6,6 +6,7 @@ class ApplicationController < ActionController::Base
   include HasOrders
   include AccessDeniedHandler
 
+  default_form_builder ConsulFormBuilder
   protect_from_forgery with: :exception
 
   before_action :authenticate_http_basic, if: :http_basic_auth_site?

app/controllers/management/base_controller.rb

@@ -1,6 +1,7 @@
 class Management::BaseController < ActionController::Base
   include GlobalizeFallbacks
   layout "management"
+  default_form_builder ConsulFormBuilder
 
   before_action :verify_manager
   before_action :set_locale

app/controllers/management/sessions_controller.rb

@@ -3,6 +3,7 @@ require "manager_authenticator"
 class Management::SessionsController < ActionController::Base
   include GlobalizeFallbacks
   include AccessDeniedHandler
+  default_form_builder ConsulFormBuilder
 
   def create
     destroy_session

app/helpers/translatable_form_helper.rb

@@ -18,7 +18,7 @@ module TranslatableFormHelper
     "highlight" if translations_interface_enabled?
   end
 
-  class TranslatableFormBuilder < FoundationRailsHelper::FormBuilder
+  class TranslatableFormBuilder < ConsulFormBuilder
     attr_accessor :translations
 
     def translatable_fields(&block)
@@ -94,7 +94,7 @@ module TranslatableFormHelper
       end
   end
 
-  class TranslationsFieldsBuilder < FoundationRailsHelper::FormBuilder
+  class TranslationsFieldsBuilder < ConsulFormBuilder
     %i[text_field text_area cktext_area].each do |field|
       define_method field do |attribute, options = {}|
         custom_label(attribute, options[:label], options[:label_options]) +

config/initializers/foundation_rails_helper.rb

@@ -1,17 +0,0 @@
-module FoundationRailsHelper
-  class FormBuilder < ActionView::Helpers::FormBuilder
-    def cktext_area(attribute, options)
-      field(attribute, options) do |opts|
-        super(attribute, opts)
-      end
-    end
-
-    def enum_select(attribute, options = {}, html_options = {})
-      choices = object.class.send(attribute.to_s.pluralize).keys.map do |name|
-        [object.class.human_attribute_name("#{attribute}.#{name}"), name]
-      end
-
-      select attribute, choices, options, html_options
-    end
-  end
-end

lib/consul_form_builder.rb

@@ -0,0 +1,15 @@
+class ConsulFormBuilder < FoundationRailsHelper::FormBuilder
+  def cktext_area(attribute, options)
+    field(attribute, options) do |opts|
+      super(attribute, opts)
+    end
+  end
+
+  def enum_select(attribute, options = {}, html_options = {})
+    choices = object.class.send(attribute.to_s.pluralize).keys.map do |name|
+      [object.class.human_attribute_name("#{attribute}.#{name}"), name]
+    end
+
+    select attribute, choices, options, html_options
+  end
+end