refactored search with free search term support (#1064)

templates/form/search-form.html.twig

@@ -0,0 +1,16 @@
+{% extends "@AdminLTE/layout/form-theme-horizontal.html.twig" %}
+{#
+{% block widget_attributes %}
+    {% if type is not defined or type not in ['file', 'hidden'] %}
+        {%- set attr = attr|merge({class: (attr.class|default('') ~ ' input-sm')|trim}) -%}
+    {% endif %}
+    {{- parent() -}}
+{% endblock widget_attributes %}
+#}
+{% block form_label_class -%}
+    col-sm-3 col-xs-4
+{%- endblock form_label_class %}
+
+{% block form_group_class -%}
+    col-sm-9 col-xs-8
+{%- endblock form_group_class %}