bump switchman

also since nothing in switchman reloads anymore, we don't need to reload
the additional patches on top with each request; just once

thanks @dgynn

Change-Id: I5950337a92e781fd7668e8b7130de41b17a619c7
Reviewed-on: https://gerrit.instructure.com/71737
Tested-by: Cody Cutrer <cody@instructure.com>
Reviewed-by: Simon Williams <simon@instructure.com>
Product-Review: Cody Cutrer <cody@instructure.com>
QA-Review: Cody Cutrer <cody@instructure.com>

Gemfile.d/app.rb

@@ -24,7 +24,7 @@ gem 'authlogic', '3.4.6'
 gem 'active_model-better_errors', '1.6.7', require: 'active_model/better_errors'
 gem 'dynamic_form', '1.1.4', require: false
 gem 'rails-patch-json-encode', '0.0.1'
-gem 'switchman', '1.4.2'
+gem 'switchman', '1.4.3'
 gem 'folio-pagination', '0.0.11', require: 'folio/rails'
   # for folio, see the folio README
   gem 'will_paginate', '3.0.7', require: false

config/initializers/switchman.rb

@@ -1,4 +1,4 @@
-Rails.application.config.to_prepare do
+Rails.application.config.after_initialize do
   Switchman.cache = -> { MultiCache.cache }
 
   module Canvas