Create select widget based on tomselect on django backend

Replace make_ajax in elections by the new widget

election/views.py

@@ -1,6 +1,5 @@
 from typing import TYPE_CHECKING
 
-from ajax_select import make_ajax_field
 from ajax_select.fields import AutoCompleteSelectField
 from django import forms
 from django.core.exceptions import PermissionDenied
@@ -13,7 +12,11 @@ from django.views.generic import DetailView, ListView
 from django.views.generic.edit import CreateView, DeleteView, FormView, UpdateView
 
 from core.views import CanCreateMixin, CanEditMixin, CanViewMixin
-from core.views.forms import MarkdownInput, SelectDateTime
+from core.views.forms import (
+    AutoCompleteSelectMultiple,
+    MarkdownInput,
+    SelectDateTime,
+)
 from election.models import Candidature, Election, ElectionList, Role, Vote
 
 if TYPE_CHECKING:
@@ -146,23 +149,12 @@ class ElectionForm(forms.ModelForm):
             "vote_groups",
             "candidature_groups",
         ]
-
-    edit_groups = make_ajax_field(
-        Election, "edit_groups", "groups", help_text="", label=_("edit groups")
-    )
-    view_groups = make_ajax_field(
-        Election, "view_groups", "groups", help_text="", label=_("view groups")
-    )
-    vote_groups = make_ajax_field(
-        Election, "vote_groups", "groups", help_text="", label=_("vote groups")
-    )
-    candidature_groups = make_ajax_field(
-        Election,
-        "candidature_groups",
-        "groups",
-        help_text="",
-        label=_("candidature groups"),
-    )
+        widgets = {
+            "edit_groups": AutoCompleteSelectMultiple,
+            "view_groups": AutoCompleteSelectMultiple,
+            "vote_groups": AutoCompleteSelectMultiple,
+            "candidature_groups": AutoCompleteSelectMultiple,
+        }
 
     start_date = forms.DateTimeField(
         label=_("Start date"), widget=SelectDateTime, required=True