order fallback slides by name

Author: kevinnio

app/views/spree/admin/slide_locations/_form.html.erb

@@ -9,7 +9,7 @@
     <%= f.field_container :fallback_slide_id do %>
         <%= f.label :fallback_slide_id, 'Fallback slide' %><br>
         <div class="help-block">This slide will be shown only when no other slide can be shown.</div>
-        <%= f.collection_select(:fallback_slide_id, Spree::Slide.all, :id, :name, { include_blank: Spree.t('match_choices.none') }, { class: 'select2', disabled: (cannot? :edit, Spree::SlideLocation) }) %>
+        <%= f.collection_select(:fallback_slide_id, Spree::Slide.all.order(:name), :id, :name, { include_blank: Spree.t('match_choices.none') }, { class: 'select2', disabled: (cannot? :edit, Spree::SlideLocation) }) %>
     <% end %>
   </div>