Account member only access update

[vidya-ram]

Context

1. Rehearsals for events(meetups or conference) and hybrid access to meetups are Account members only privilege. Details regarding this (zoom/google meet link) is shared via restricted updates. This is available to participants of the project. For a project with free rsvp to attend in-person, would mean that this restricted update is visible to project participants who are not account members.
2. Another workflow that has to be done to ensure account members receive updates is adding account members to the project as participants(syncing membership ticket item collection to project) like a curated playlist project.

Requirement

Apart from restrict to participants, Update needs to have a new option which makes it possible to restrict access to account members. This will also ease the workflow as account members needs not be added to the project as participants to notify them.

[djamg]

Idea: Account level updates
Can we have account owners/admins post updates at the account level with options for triggering notifications:

1. Everyone in the account (All followers)
2. Only members
3. Only non-members (for sending promotional updates)

[jace]

Resolved in #1988.