Se acomoda el "+" en la misma línea del input

Resources/views/Type/remote_client_widget.html.twig

@@ -3,7 +3,7 @@
 
         {% set locale = app.request.locale %}
         <div class="clearfix">
-            <input type="text" id="{{ id }}_search" name="{{ name }}_search" maxlength="255" class="form-control">
+            <input type="text" id="{{ id }}_search" name="{{ name }}_search" maxlength="255" class="form-control" style="width: 96%; float:left">
             {{ block('hidden_widget') }}
 
             {% if create is not defined %}