workaround: angular-ui/ui-select/#1325

Author: Luis Lafuente

templates/formalizer-ui-select.tpl.html

@@ -4,8 +4,8 @@
     <div class="{{element.wrap.class}}">
       <!-- theme="bootstrap" -->
       <ui-select {{element.attrs_text}}>
-        <ui-select-match placeholder="{{placeholder || ""}}">\{\{$select.selected{{source_display? "." + source_display : source_display}}\}\}</ui-select-match>
-        <ui-select-choices repeat="data{{source_model ? "." + source_model: source_model}} as data in $configuration.source | filter: $select.search">
+        <ui-select-match class="ui-select-match" placeholder="{{placeholder || ""}}">\{\{$select.selected{{source_display? "." + source_display : source_display}}\}\}</ui-select-match>
+        <ui-select-choices class="ui-select-choices" repeat="data{{source_model ? "." + source_model: source_model}} as data in $configuration.source | filter: $select.search">
           <span ng-bind-html="data{{source_display? "." + source_display : source_display}} | highlight: $select.search"></span>
         </ui-select-choices>
       </ui-select>