Fix boot warnings for autoloaded constants in initializers

config/initializers/bootstrap_form.rb

@@ -1,2 +1,4 @@
 # Include our custom RichtextField input method for `f.richtext_field` in forms
+Rails.application.reloader.to_prepare do
   BootstrapForm::FormBuilder.include BootstrapForm::Inputs::RichtextField
+end

config/initializers/doorkeeper.rb

@@ -1,5 +1,6 @@
 # frozen_string_literal: true
 
+Rails.application.reloader.to_prepare do
   Doorkeeper.configure do
     # Change the ORM that doorkeeper will use (requires ORM extensions installed).
     # Check the list of supported ORMs here: https://github.com/doorkeeper-gem/doorkeeper#orms
@@ -482,3 +483,4 @@ Doorkeeper.configure do
     #
     # realm "Doorkeeper"
   end
+end