Project bundle: Cannot get list of addons in studio settings

[antirotor]

Story

Having a new project bundle -> selecting it from Studio settings results in:

With error on server:

2025-11-05 17:36:49    ERROR   logging                    | Unhandled exception: KeyError: 'harmony'
2025-11-05 17:36:49    traceback:
2025-11-05 17:36:49      KeyError: 'harmony'
2025-11-05 17:36:49
2025-11-05 17:36:49      ayon_server/api/logging.py:124
2025-11-05 17:36:49      response = await call_next(request)
2025-11-05 17:36:49
2025-11-05 17:36:49      api/settings/settings.py:330
2025-11-05 17:36:49      return await coalesce(
2025-11-05 17:36:49
2025-11-05 17:36:49      ayon_server/utils/request_coalescer.py:68
2025-11-05 17:36:49      return await self.current_futures[selected_key]
2025-11-05 17:36:49
2025-11-05 17:36:49      api/settings/settings.py:63
2025-11-05 17:36:49      addon_list = await get_addon_list_for_settings(
2025-11-05 17:36:49
2025-11-05 17:36:49      api/settings/settings_addons_list.py:103
2025-11-05 17:36:49      inherited_addons.remove(addon_name)

Harmony addon is set to None in the current production bundle, but in this project bundle it is set to specific version.

To reproduce

Steps to reproduce the behavior:

1. Have bundle with production variant and set some addon to None
2. Create Project bundle and override that addon version
3. Go to the Studio settings, select Production variant, select project bundle from the drop down list

Environment

• Server version: 1.12.6+DEV
• Server host OS: Docker
• Browser: 141.0.7390.123 (Official Build) (64-bit)
• Client version: N/A