Fix #13519 - Preview SQL not visible on Index dialog Box

Signed-off-by: Manthan Surkar <manthan.surkar@gmail.com>

js/indexes.js

@@ -405,8 +405,6 @@ Indexes.showAddIndexDialog = function (sourceArray, arrayIndex, targetColumns, c
                                 containment: $('#index_columns').find('tbody'),
                                 tolerance: 'pointer'
                             });
-                            // We dont need the slider at this moment.
-                            $(this).find('fieldset.tblFooters').remove();
                         },
                         modal: true,
                         buttons: buttonOptions,

templates/table/index_form.twig

@@ -218,6 +218,5 @@
     </fieldset>
     <fieldset class="tblFooters">
         <button class="btn btn-secondary" type="submit" id="preview_index_frm">{% trans 'Preview SQL' %}</button>
-        <input class="btn btn-primary" type="submit" id="save_index_frm" value="{% trans 'Go' %}">
     </fieldset>
 </form>