Move payment_method display field translations to OFN and adapt them to changes on same field in shipping method

app/views/spree/admin/payment_methods/_form.html.haml

@@ -21,7 +21,7 @@
     .alpha.three.columns
       = label_tag nil, t(:display)
     .omega.eight.columns
-      = select(:payment_method, :display_on, Spree::PaymentMethod::DISPLAY.collect { |display| [t(display), display == :both ? nil : display.to_s] }, {}, {class: 'select2 fullwidth'})
+      = select(:payment_method, :display_on, Spree::PaymentMethod::DISPLAY.collect { |display| [t('.' + display.to_s), display == :both ? nil : display.to_s] }, {}, {class: 'select2 fullwidth'})
   .row
     .alpha.three.columns
       = label_tag nil, t(:active)

app/views/spree/admin/payment_methods/index.html.haml

@@ -34,7 +34,7 @@
               %br/
           %td= method.type
           %td.align-center= method.environment.to_s.titleize
-          %td.align-center= method.display_on.blank? ? Spree.t(:both) : Spree.t(method.display_on)
+          %td.align-center= method.display_on.blank? ? t('.both') : t('.' + method.display_on.to_s)
           %td.align-center= method.active ? Spree.t(:say_yes) : Spree.t(:say_no)
           %td.actions
             = link_to_edit method, no_text: true

config/locales/en.yml

@@ -3248,6 +3248,10 @@ See the %{link} to find out more about %{sitename}'s features and to start using
           back_end: "Back office only"
           deactivation_warning: "De-activating a shipping method can make the shipping method disappear from your list. Alternatively, you can hide a shipping method from the checkout page by setting the option 'Display' to 'back office only'."
       payment_methods:
+        index:
+          both: "Both"
+          front_end: "Checkout only"
+          back_end: "Back office only"
         new:
           new_payment_method: "New Payment Method"
           back_to_payment_methods_list: "Back To Payment Methods List"
@@ -3267,6 +3271,10 @@ See the %{link} to find out more about %{sitename}'s features and to start using
           account_id: Account ID
           business_name: Business Name
           charges_enabled: Charges Enabled
+        form:
+          both: "Both Checkout and Back office"
+          front_end: "Checkout only"
+          back_end: "Back office only"
       payments:
         source_forms:
           stripe: