fix: client: themes -> columns (#434)

Author: coderaiser

tmpl/config.hbs

@@ -50,7 +50,7 @@
         </select>
     </li>
     <li title="Visible Columns">
-        <select data-name="js-themes" class="form-control full-width" title="Visible Columns">
+        <select data-name="js-columns" class="form-control full-width" title="Visible Columns">
             <option {{ name-size-date-owner-mode-selected }}>name-size-date-owner-mode</option>
             <option {{ name-size-date-selected }}>name-size-date</option>
             <option {{ name-size-selected }}>name-size</option>