Add filters to admin UI for custom emojis (#6003)

app/views/admin/custom_emojis/_custom_emoji.html.haml

@@ -7,7 +7,7 @@
     - if custom_emoji.local?
       = t('admin.accounts.location.local')
     - else
-      = custom_emoji.domain
+      = link_to custom_emoji.domain, admin_custom_emojis_path(by_domain: custom_emoji.domain)
   %td
     - if custom_emoji.local?
       - if custom_emoji.visible_in_picker

app/views/admin/custom_emojis/index.html.haml

@@ -17,6 +17,20 @@
         - else
           = filter_link_to t('admin.accounts.location.remote'), remote: '1', local: nil
 
+= form_tag admin_custom_emojis_url, method: 'GET', class: 'simple_form' do
+  .fields-group
+    - Admin::FilterHelper::CUSTOM_EMOJI_FILTERS.each do |key|
+      - if params[key].present?
+        = hidden_field_tag key, params[key]
+
+    - %i(shortcode by_domain).each do |key|
+      .input.string.optional
+        = text_field_tag key, params[key], class: 'string optional', placeholder: I18n.t("admin.custom_emojis.#{key}")
+
+    .actions
+      %button= t('admin.accounts.search')
+      = link_to t('admin.accounts.reset'), admin_accounts_path, class: 'button negative'
+
 .table-wrapper
   %table.table
     %thead