Efficiently getting full organizations membership for a user

[seva.zagorodniy]

Re-analyzed current capabilities, ended up with feature-request here:

Get full participation info about User in one-run

Feature: API, ManagementClient, and actually ideally - actions too. Description: Concerns heavy users of Organizations. Depending on the use-case RBAC on organizations might require visibility on all of the User’s Organizations/Roles, to determine what to do on the application-level with that User. Currently only way to do so (as we start with particular User) is to Query user’s organizations Get their roles per each organization Ideal way would be to us something lie this new ‘field’ opti…