Change unlisted custom emoji to not appear in autosuggestions (#11818)

Fix #11669

app/controllers/api/v1/custom_emojis_controller.rb

@@ -7,6 +7,6 @@ class Api::V1::CustomEmojisController < Api::BaseController
 
   def index
     expires_in 3.minutes, public: true
-    render_with_cache(each_serializer: REST::CustomEmojiSerializer) { CustomEmoji.local.where(disabled: false).includes(:category) }
+    render_with_cache(each_serializer: REST::CustomEmojiSerializer) { CustomEmoji.listed.includes(:category) }
   end
 end