Fix missing values in tag form when editing

app/views/admin/tags/_form.html.erb

@@ -1,7 +1,7 @@
 <%= form_for :tag, :url => admin_tag_path(tag), :method => :put, :remote => true do |f| %>
   <%= f.fields_for :name_translations do |f| %>
     <% @site_valid_locales.each do |locale| %>
-      <%= I18nVariable.from_locale(locale) %>:<%= f.text_field locale %>
+      <%= I18nVariable.from_locale(locale) %>:<%= f.text_field locale, value: @tag.name_translations[locale] %>
     <% end %>
   <% end %>
   <%= hidden_field_tag :module_app_id, @module_app_id %>