Make SubscriptionId optional when importing to a Management Group

[GPugnet]

Context :

• The management group has no subscription assigned yet
• The identity running the script has permissions on the management group only

It would be convenient to make the SubscriptionId optional when importing to a Management Group.

[JimGBritt]

@GPugnet - the subscriptionID is used to establish the context for TenantID in case you are authenticated to two different tenantIDs. I can review other options such as providing TenantID as a parameter if that would make this easier. That would bypass the requirement. Challenge today is a customer that has an existing environment with many tenants - there is no Name for a tenantID so it is less friendly than subscription when interrogating. Let me see what I can do. Thanks for the feedback!

[JimGBritt]

@GPugnet - I haven't forgotten about this issue. I am trying to figure out the optimal way to update this without confusing customers :). Also since we have the option to target subscriptions for Blueprints storage now, I wanted to add that in so I have to think through how this will all work since subID will still be a need in that case. Thanks for the patience.

[JimGBritt]

It has been a long time coming @GPugnet but I have this incorporated. Please test and give feedback. I hope it all works. Updated examples and parameter sets to support. Thanks for supporting the community!