White labelling ALL customer facing emails

White labelling added for Order: cancellation email, Order: invoice email, Shipment: shipped email, Subscriptions: authorize payment email, Subscriptions: placement email, Subscriptions: empty order email, Subscriptions: failed payment email

White labelling existed already for Order: confirmation email, Subscriptions: order confirmation email

app/mailers/payment_mailer.rb

@@ -6,6 +6,7 @@ class PaymentMailer < ApplicationMailer
   def authorize_payment(payment)
     @payment = payment
     @order = @payment.order
+    @hide_ofn_navigation = @payment.order.distributor.hide_ofn_navigation
     subject = I18n.t('spree.payment_mailer.authorize_payment.subject',
                      distributor: @order.distributor.name)
     I18n.with_locale valid_locale(@order.user) do

app/mailers/spree/order_mailer.rb

@@ -11,6 +11,7 @@ module Spree
 
     def cancel_email(order_or_order_id, resend = false)
       @order = find_order(order_or_order_id)
+      @hide_ofn_navigation = @order.distributor.hide_ofn_navigation
       I18n.with_locale valid_locale(@order.user) do
         mail(to: @order.email,
              subject: mail_subject(t('spree.order_mailer.cancel_email.subject'), resend),
@@ -51,6 +52,7 @@ module Spree
 
     def invoice_email(order_or_order_id, options = {})
       @order = find_order(order_or_order_id)
+      @hide_ofn_navigation = @order.distributor.hide_ofn_navigation
       current_user = if options[:current_user_id].present?
                        find_user(options[:current_user_id])
                      end

app/mailers/spree/shipment_mailer.rb

@@ -4,6 +4,7 @@ module Spree
   class ShipmentMailer < ApplicationMailer
     def shipped_email(shipment, delivery:)
       @shipment = shipment.respond_to?(:id) ? shipment : Spree::Shipment.find(shipment)
+      @hide_ofn_navigation = @shipment.order.distributor.hide_ofn_navigation
       @delivery = delivery
       @order = @shipment.order
       subject = base_subject

app/mailers/subscription_mailer.rb

@@ -19,6 +19,7 @@ class SubscriptionMailer < ApplicationMailer
     @type = 'empty'
     @changes = changes
     @order = order
+    @hide_ofn_navigation = @order.distributor.hide_ofn_navigation
     send_mail(order)
   end
 
@@ -26,11 +27,13 @@ class SubscriptionMailer < ApplicationMailer
     @type = 'placement'
     @changes = changes
     @order = order
+    @hide_ofn_navigation = @order.distributor.hide_ofn_navigation
     send_mail(order)
   end
 
   def failed_payment_email(order)
     @order = order
+    @hide_ofn_navigation = @order.distributor.hide_ofn_navigation
     send_mail(order)
   end