BUG: When the host of a VC is Organization, its admins can't accept external invites to the VC

[bobbykolev]

Describe the bug
When the host of a VC is an Organization, its admins can't accept external invites to the VC. Note that they receive a notification and the invites are present on their dashboards. On accept an INTERNAL SERVE ERROR is thrown.

To Reproduce
Steps to reproduce the behavior:

1. Invite an external VC hosted by an organization.
2. As an admin of the organization, go to your dashboard and see the invite.
3. Click on Accept.
4. See the error

Expected behavior
The admin of org should be able to accept the invite successfully.

Screenshots

Additional context
Add any other context about the problem here.

Areas that will be affected
Optional, to be added by developer if relevant

[Comoque1]

Tested OK on DEV env.