Elastic: Fix overflow issues in ACL form

plugins/acl/skins/elastic/templates/table.html

@@ -24,7 +24,7 @@
 	</ul>
 </div>
 
-<div id="aclform" class="popupmenu propform" aria-labelledby="aria-label-aclform" role="form">
+<div id="aclform" class="popupmenu formcontent" aria-labelledby="aria-label-aclform" role="form">
 	<h3 id="aria-label-aclform" class="voice"><roundcube:label name="acl.arialabelaclform" /></h3>
 	<div class="row form-group">
 		<label class="col-sm-4 col-form-label"><roundcube:label name="acl.identifier" /></label>