Define merge_wrapper_options in Base instead in a Helper

Helpers are related to HTML attributes. merge_wrapper_options is not
related to HTML

lib/simple_form/helpers.rb

@@ -3,11 +3,10 @@ module SimpleForm
   # For instance, disabled cannot be turned on automatically, it requires the
   # user to explicitly pass the option disabled: true so it may work.
   module Helpers
-    autoload :Autofocus,      'simple_form/helpers/autofocus'
-    autoload :Disabled,       'simple_form/helpers/disabled'
-    autoload :Readonly,       'simple_form/helpers/readonly'
-    autoload :Required,       'simple_form/helpers/required'
-    autoload :Validators,     'simple_form/helpers/validators'
-    autoload :WrapperOptions, 'simple_form/helpers/wrapper_options'
+    autoload :Autofocus,  'simple_form/helpers/autofocus'
+    autoload :Disabled,   'simple_form/helpers/disabled'
+    autoload :Readonly,   'simple_form/helpers/readonly'
+    autoload :Required,   'simple_form/helpers/required'
+    autoload :Validators, 'simple_form/helpers/validators'
   end
 end

lib/simple_form/helpers/wrapper_options.rb

@@ -1,19 +0,0 @@
-module SimpleForm
-  module Helpers
-    module WrapperOptions
-      private
-
-      def merge_wrapper_options(options, context)
-        if context
-          options.merge(context.options) do |_, oldval, newval|
-            if Array === oldval
-              oldval + Array(newval)
-            end
-          end
-        else
-          options
-        end
-      end
-    end
-  end
-end

lib/simple_form/inputs/base.rb

@@ -13,7 +13,6 @@ module SimpleForm
       include SimpleForm::Helpers::Readonly
       include SimpleForm::Helpers::Required
       include SimpleForm::Helpers::Validators
-      include SimpleForm::Helpers::WrapperOptions
 
       include SimpleForm::Components::Errors
       include SimpleForm::Components::Hints
@@ -185,6 +184,18 @@ module SimpleForm
 
         I18n.t(lookups.shift, scope: :"simple_form.#{namespace}", default: lookups).presence
       end
+
+      def merge_wrapper_options(options, context)
+        if context
+          options.merge(context.options) do |_, oldval, newval|
+            if Array === oldval
+              oldval + Array(newval)
+            end
+          end
+        else
+          options
+        end
+      end
     end
   end
 end