Fixed style of download file checkbox on edit_part_info.php

Author: jbtronics

templates/nextgen/edit_part_info.php/smarty_attachements.tpl

@@ -80,10 +80,10 @@
                         </div>
                         {if $downloads_enable}
                             <div class="col-sm-3">
-                                <div class="checkbox">
-                                    <input type="checkbox" name="download_file" {if $attach.download_file}checked{/if}
+                                <div class="form-check form-check-inline abc-checkbox">
+                                    <input class="form-check-input" type="checkbox" name="download_file" {if $attach.download_file}checked{/if}
                                             {if !($can_attachement_edit || ($can_attachement_create && $attach.id == "new"))}disabled{/if}>
-                                    <label for="download_file">{t}Downloade Datei{/t}</label>
+                                    <label class="form-check-label" for="download_file">{t}Downloade Datei{/t}</label>
                                 </div>
                             </div>
                         {/if}