Add batch actions and categories to admin UI for custom emojis (#11793)

config/locales/en.yml

@@ -225,10 +225,12 @@ en:
       deleted_status: "(deleted status)"
       title: Audit log
     custom_emojis:
+      assign_category: Assign category
       by_domain: Domain
       copied_msg: Successfully created local copy of the emoji
       copy: Copy
       copy_failed_msg: Could not make a local copy of that emoji
+      create_new_category: Create new category
       created_msg: Emoji successfully created!
       delete: Delete
       destroyed_msg: Emojo successfully destroyed!
@@ -245,6 +247,7 @@ en:
       shortcode: Shortcode
       shortcode_hint: At least 2 characters, only alphanumeric characters and underscores
       title: Custom emojis
+      uncategorized: Uncategorized
       unlisted: Unlisted
       update_failed_msg: Could not update that emoji
       updated_msg: Emoji successfully updated!

config/routes.rb

@@ -242,11 +242,9 @@ Rails.application.routes.draw do
       resource :two_factor_authentication, only: [:destroy]
     end
 
-    resources :custom_emojis, only: [:index, :new, :create, :update, :destroy] do
-      member do
-        post :copy
-        post :enable
-        post :disable
+    resources :custom_emojis, only: [:index, :new, :create] do
+      collection do
+        post :batch
       end
     end