chore(): save jupyterhub profile list in self:

Author: zsinnema

applications/jupyterhub/src/harness_jupyter/harness_jupyter/jupyterhub.py

@@ -18,6 +18,7 @@
 def custom_options_form(spawner, abc):
     # let's skip the profile selection form for now
     # ToDo: for future we can remove this hook
+    spawner._ch_profile_list = spawner.profile_list
     spawner.profile_list = []
     # ref: https://github.com/jupyterhub/kubespawner/blob/37a80abb0a6c826e5c118a068fa1cf2725738038/kubespawner/spawner.py#L1885-L1935
     return spawner._options_form_default()