Add auto-approval for moderator submissions and update submission handling

moderation/models.py

@@ -277,6 +277,16 @@ class PhotoSubmission(models.Model):
         self.handled_at = timezone.now()
         self.notes = notes
         self.save()
+        
+    def auto_approve(self) -> None:
+        """Auto-approve submissions from moderators"""
+        # Get user role safely
+        user_role = getattr(self.user, "role", None)
+        
+        # If user is moderator or above, auto-approve
+        if user_role in ["MODERATOR", "ADMIN", "SUPERUSER"]:
+            self.approve(self.user)
+
 
     def escalate(self, moderator: UserType, notes: str = "") -> None:
         """Escalate the photo submission to admin"""