Closes #16388: Move change logging resources from extras to core (#16545)

* Initial work on #16388

* Misc cleanup

netbox/core/migrations/0011_move_objectchange.py

@@ -0,0 +1,45 @@
+import django.db.models.deletion
+from django.conf import settings
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('contenttypes', '0002_remove_content_type_name'),
+        ('core', '0010_gfk_indexes'),
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+    ]
+
+    operations = [
+        migrations.SeparateDatabaseAndState(
+            state_operations=[
+                migrations.CreateModel(
+                    name='ObjectChange',
+                    fields=[
+                        ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False)),
+                        ('time', models.DateTimeField(auto_now_add=True, db_index=True)),
+                        ('user_name', models.CharField(editable=False, max_length=150)),
+                        ('request_id', models.UUIDField(db_index=True, editable=False)),
+                        ('action', models.CharField(max_length=50)),
+                        ('changed_object_id', models.PositiveBigIntegerField()),
+                        ('related_object_id', models.PositiveBigIntegerField(blank=True, null=True)),
+                        ('object_repr', models.CharField(editable=False, max_length=200)),
+                        ('prechange_data', models.JSONField(blank=True, editable=False, null=True)),
+                        ('postchange_data', models.JSONField(blank=True, editable=False, null=True)),
+                        ('changed_object_type', models.ForeignKey(on_delete=django.db.models.deletion.PROTECT, related_name='+', to='contenttypes.contenttype')),
+                        ('related_object_type', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.PROTECT, related_name='+', to='contenttypes.contenttype')),
+                        ('user', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='changes', to=settings.AUTH_USER_MODEL)),
+                    ],
+                    options={
+                        'verbose_name': 'object change',
+                        'verbose_name_plural': 'object changes',
+                        'ordering': ['-time'],
+                        'indexes': [models.Index(fields=['changed_object_type', 'changed_object_id'], name='core_object_changed_c227ce_idx'), models.Index(fields=['related_object_type', 'related_object_id'], name='core_object_related_3375d6_idx')],
+                    },
+                ),
+            ],
+            # Table has been renamed from 'extras' app
+            database_operations=[],
+        ),
+    ]