Pass media attribute explicitly to stylesheet link tags

So that we can enable Rails default behavior for potential future such link
tags without changing current behavior.

app/views/layouts/darkswarm.html.haml

@@ -17,7 +17,7 @@
     = render "layouts/matomo_tag"
     = language_meta_tags
 
-    = stylesheet_pack_tag "darkswarm", "data-turbo-track": "reload"
+    = stylesheet_pack_tag "darkswarm", "data-turbo-track": "reload", media: "screen"
     = javascript_pack_tag "application", "data-turbo-track": "reload"
 
     = render "layouts/shopfront_script" if @shopfront_layout

app/views/layouts/mailer.html.haml

@@ -5,7 +5,7 @@
     %meta{:content => "text/html; charset=UTF-8", "http-equiv" => "Content-Type"}/
     %title
       = Spree::Config[:site_name]
-    = stylesheet_link_tag 'mail'
+    = stylesheet_link_tag 'mail', media: "screen"
   %body{:bgcolor => "#FFFFFF" }
     - unless @hide_ofn_navigation
       %table.head-wrap

app/views/layouts/registration.html.haml

@@ -14,7 +14,7 @@
     = render "layouts/matomo_tag"
     = language_meta_tags
 
-    = stylesheet_pack_tag "darkswarm"
+    = stylesheet_pack_tag "darkswarm", media: "screen"
     = javascript_include_tag "darkswarm/all"
     = javascript_pack_tag "application"
 

config/initializers/new_framework_defaults_7_0.rb

@@ -14,7 +14,7 @@
 # Rails.application.config.action_view.button_to_generates_button_tag = true
 
 # `stylesheet_link_tag` view helper will not render the media attribute by default.
-# Rails.application.config.action_view.apply_stylesheet_media_default = false
+Rails.application.config.action_view.apply_stylesheet_media_default = false
 
 # Change the digest class for the key generators to `OpenSSL::Digest::SHA256`.
 # Changing this default means invalidate all encrypted messages generated by