Space Settings: When Space is private, Mute option to allow admins of subspaces to invite

[SimoneZaza]

Description

When a Space is set to be private, people cannot be invited to subspaces directly. Therefore the option to allow subspace admins to invite to space is redundant, and it is confusing to have it there.

Acceptance criteria

In Space Settings > Settings:

• [ ] When Space is set to be private, disable option to allow subspace admins to invite
• [ ] Tooltip (can also be there when space is public): People can only be invited to Subspaces directly when the visibility of this Space is set to Public

Additional Context

Screen shots / UX designs / data that are relevant.

Areas that will be affected

To be added during the refinement