Reset Stream Position back to 0

[KurogamiLight3303]

Features from ASP Net Core like Output cache aren't working probably because of this

Issue #, if available:

Description of changes:

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[GarrettBeatty]

Hi @KurogamiLight3303 can you please provide info on the details of what this issue fixes? How can we reproduce the issue you were encountering, and how does this change fix the issue? Without that info we won't be able to merge this until knowing the full effects of this change.

If you have sample code that we can run to reproduce the issue you were encountering that would be great.

[Dreamescaper]

Is suppose it's related to #1702.