Restore streams since we rely on those for deleting boosts

https://app.fizzy.do/5986089/cards/2811

app/models/card.rb

@@ -1,6 +1,6 @@
 class Card < ApplicationRecord
-  include Assignable, Attachments, Broadcastable, Closeable, Colored, Entropic,
-    Eventable, Golden, Mentions, Multistep, Pinnable, Postponable, Promptable,
+  include Assignable, Attachments, Closeable, Colored, Entropic, Eventable,
+    Golden, Mentions, Multistep, Pinnable, Postponable, Promptable,
     Readable, Searchable, Stallable, Statuses, Taggable, Triageable, Watchable
 
   belongs_to :board, touch: true

app/models/card/broadcastable.rb

@@ -1,7 +0,0 @@
-module Card::Broadcastable
-  extend ActiveSupport::Concern
-
-  included do
-    broadcasts_refreshes
-  end
-end

app/views/cards/show.html.erb

@@ -11,6 +11,7 @@
   </div>
 <% end %>
 
+<%= turbo_stream_from @card %>
 <%= turbo_stream_from @card, :activity %>
 
 <div data-controller="beacon lightbox" data-beacon-url-value="<%= card_reading_path(@card) %>">