outpost: fix syntax error when creating an outpost with connection

Signed-off-by: Jens Langhammer <jens.langhammer@beryju.org>

authentik/outposts/models.py

@@ -143,7 +143,9 @@ class OutpostServiceConnection(models.Model):
     @property
     def component(self) -> str:
         """Return component used to edit this object"""
-        raise NotImplementedError
+        # This is called when creating an outpost with a service connection
+        # since the response doesn't use the correct inheritance
+        return ""
 
     class Meta: