Add the ability to get a new session host name as part of a reimage

TL;DR

Add the ability to Do not re-use VM name on reimage.

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Details

I was recently working with a partner where they wanted to have their RMM perform the onboarding tasks every time a host was reimaged, but since when the host checked-in, it showed-up under the same name, the onboarding tasks never ran in the RMM.

Our solution to that was to do a scheduled Delete All Hosts from the host pool instead of a Reimage (with the Do not re-use VM name box checked. That way, when Autoscale recreates the host, it will use a unique name every time.
Currently, the Re-usehost names feature of the autoscale configuration only applies to newly created hosts.

If possible, since the two ideas are similar, it would be great to implement Erik Gallagher's Update VM size as part of Auto-scale reimaging – Nerdio Help Center idea at the same time. 🙂