Ensure Semantic Logger is used in all cases

This is necessary for Flipper and ActionDispatch::HostAuthorization
messages to go through Semantic Logger and be correctly formatted as JSON.

Author: mwtrew

config/application.rb

@@ -73,5 +73,7 @@ class Application < Rails::Application
 
     config.x.cloudflare_turnstile.secret_key = ENV.fetch('CLOUDFLARE_TURNSTILE_SECRET_KEY', nil)
     config.x.cloudflare_turnstile.enabled = ENV['CLOUDFLARE_TURNSTILE_SECRET_KEY'].present?
+
+    config.rails_semantic_logger.format = :json
   end
 end

config/initializers/logging.rb

@@ -0,0 +1,7 @@
+# frozen_string_literal: true
+
+# Ensure Semantic Logger is used in all cases by updating cached references to the standard logger.
+Rails.application.config.after_initialize do
+  ActiveSupport::LogSubscriber.logger = Rails.logger
+  Rails.application.env_config['action_dispatch.logger'] = Rails.logger
+end