fix missing inbox url

takahe/models.py

@@ -702,6 +702,7 @@ class Identity(models.Model):
             self.followers_uri = self.actor_uri + "followers/"
             self.following_uri = self.actor_uri + "following/"
             self.shared_inbox_uri = f"https://{self.domain.uri_domain}/inbox/"
+            self.save()
 
 
 class Follow(models.Model):

users/migrations/0013_init_identity.py

@@ -106,6 +106,7 @@ def init_identity(apps, schema_editor):
             state_next_attempt=timezone.now() + timedelta(days=365 * 99),
         )
         takahe_identity.generate_keypair()
+        takahe_identity.ensure_uris()
         takahe_user.identities.add(takahe_identity)