Convert StagingApplication to a proxy model

dandiapi/api/migrations/0022_delete_stagingapplication_stagingapplication.py

@@ -0,0 +1,27 @@
+# Generated by Django 4.2.19 on 2025-04-18 21:19
+from __future__ import annotations
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ('oauth2_provider', '0012_add_token_checksum'),
+        ('api', '0021_stagingapplication_allowed_origins_and_more'),
+    ]
+
+    operations = [
+        migrations.DeleteModel(
+            name='StagingApplication',
+        ),
+        migrations.CreateModel(
+            name='StagingApplication',
+            fields=[],
+            options={
+                'proxy': True,
+                'indexes': [],
+                'constraints': [],
+            },
+            bases=('oauth2_provider.application',),
+        ),
+    ]

dandiapi/api/models/oauth.py

@@ -3,21 +3,19 @@
 from fnmatch import fnmatch
 
 from django.core.exceptions import ValidationError
-from django.db import models
-from oauth2_provider.models import AbstractApplication
+from oauth2_provider.models import Application
 
 
-class StagingApplication(AbstractApplication):
+class StagingApplication(Application):
     """
     Custom OAuth Toolkit `Application` model to allow wildcards to be used in redirect URIs.
 
     This is ONLY used in staging; the standard `oauth2_provider.models.Application` is used
     in production and local development.
     """
 
-    # The default value of `skip_authorization` in `AbstractApplication` is `False`; we
-    # override that default here for staging.
-    skip_authorization = models.BooleanField(default=True)
+    class Meta:
+        proxy = True
 
     def clean(self):
         """