fix broken select for signing parties

contracts/admin.py

@@ -4,7 +4,7 @@ from django.contrib import admin
 from django.utils.html import format_html
 from fieldsets_with_inlines import FieldsetsInlineMixin
 from import_export import resources
-from nested_inline.admin import (
+from nested_admin import (
     NestedModelAdmin,
     NestedStackedInline,
     NestedTabularInline,

contracts/migrations/0011_alter_contractee_address_country_and_more.py

+# Generated by Django 4.1.4 on 2023-03-23 08:17
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('contracts', '0010_alter_contractee_address_country_and_more'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='contractee',
+            name='address_country',
+            field=models.CharField(default='CZ', max_length=256, verbose_name='Země'),
+        ),
+        migrations.AlterField(
+            model_name='signee',
+            name='address_country',
+            field=models.CharField(default='CZ', max_length=256, verbose_name='Země'),
+        ),
+    ]

registry/settings/base.py

@@ -54,8 +54,8 @@ INSTALLED_APPS = [
     "django.contrib.messages",
     "django.contrib.staticfiles",
     "fieldsets_with_inlines",
+    "nested_admin",
     "import_export",
-    "nested_inline",
     "rangefilter",
     "guardian",
     "markdownx",

registry/templates/admin/base_site.html

 {% extends 'admin/base_site.html' %}
 {% load static %}
 
-{% block extrastyle %}{{ block.super }}
+{% block extrastyle %}
+{{ block.super }}
 <style>
     :root, :root .admin-interface {
         --djai-tab-bg: var(--admin-interface-header-background-color);

requirements/base.txt

@@ -7,7 +7,7 @@ django-database-url==1.0.3
 django-downloadview==2.3.0
 django-fieldsets-with-inlines==0.6
 django-import-export==3.1.0
-django-nested-inline==0.4.6
+django-nested-admin==4.0.2
 django-ordered-model==3.7.1
 psycopg2-binary==2.9.5
 django-webpack-loader==1.8.0