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

app/models/custom_emoji.rb

@@ -44,6 +44,7 @@ class CustomEmoji < ApplicationRecord
   scope :remote, -> { where.not(domain: nil) }
   scope :alphabetic, -> { order(domain: :asc, shortcode: :asc) }
   scope :by_domain_and_subdomains, ->(domain) { where(domain: domain).or(where(arel_table[:domain].matches('%.' + domain))) }
+  scope :listed, -> { local.where(disabled: false).where(visible_in_picker: true) }
 
   remotable_attachment :image, LIMIT