Create select widget based on tomselect on django backend

Replace make_ajax in elections by the new widget

core/templates/core/widgets/autocomplete_select.jinja

@@ -0,0 +1,10 @@
+<script-once src="{{ statics.js }}" defer></script-once>
+{% for css in statics.csss %}
+  <link-once rel="stylesheet" type="text/css" href="{{ css }}" defer></link-once>
+{% endfor %}
+
+<autocomplete-select name="{{ widget.name }}"{% include "django/forms/widgets/attrs.html" %}>{% for group_name, group_choices, group_index in widget.optgroups %}{% if group_name %}
+  <optgroup label="{{ group_name }}">{% endif %}{% for widget in group_choices %}
+    {% include widget.template_name %}{% endfor %}{% if group_name %}
+      </optgroup>{% endif %}{% endfor %}
+</autocomplete-select>