chore: remove remaining blank lines after include statements

- Remove extra blank lines added by Layout/EmptyLineAfterGuardClause rule
- Reduce PR to final 16 files with only functional Rails upgrade changes

app/controllers/api/v1/accounts/conversations/direct_uploads_controller.rb

@@ -1,6 +1,5 @@
 class Api::V1::Accounts::Conversations::DirectUploadsController < ActiveStorage::DirectUploadsController
   include EnsureCurrentAccountHelper
-
   before_action :current_account
   before_action :conversation
 

app/controllers/api/v1/accounts/integrations/shopify_controller.rb

@@ -1,6 +1,5 @@
 class Api::V1::Accounts::Integrations::ShopifyController < Api::V1::Accounts::BaseController
   include Shopify::IntegrationHelper
-
   before_action :setup_shopify_context, only: [:orders]
   before_action :fetch_hook, except: [:auth]
   before_action :validate_contact, only: [:orders]