Bug 1821489: Filebrowser not selecting new item

For example - when changing image in image block

behatnotneeded

Change-Id: I9e7b9eed4858f5001d77d005c948cae7e7d092ff
Signed-off-by: Robert Lyon <robertl@catalyst.net.nz>

htdocs/theme/raw/plugintype/artefact/file/templates/form/selectedlist.tpl

@@ -29,7 +29,7 @@
                     <span class="icon icon-times icon-lg text-danger left" role="presentation" aria-hidden="true"></span>
                     <span>{str tag=remove}</span>
                 </button>
-                 <input type="hidden" class="hidden" id="{$prefix}_selected[{$file->id}]" name="{$prefix}_selected[{$file->id}]" value="{$file->id}">
+                 <input type="hidden" class="d-none" id="{$prefix}_selected[{$file->id}]" name="{$prefix}_selected[{$file->id}]" value="{$file->id}">
             </td>
         </tr>
         {/foreach}