Upgrade Azure Mixed Reality PowerShell Module

[XiangyuL-Microsoft]

Description

1. Upgrade Microsoft.Azure.Management.MixedReality SDK to 1.0.0 and make corresponding required changes in test cases and help documents.
2. Authoring Remote Rendering Cmdlets (see Review)

Checklist

• I have read the Submitting Changes section of CONTRIBUTING.md
• The title of the PR is clear and informative
• The appropriate ChangeLog.md file(s) has been updated:
  • For any service, the ChangeLog.md file can be found at src/{{SERVICE}}/{{SERVICE}}/ChangeLog.md
  • A snippet outlining the change(s) made in the PR should be written under the ## Upcoming Release header -- no new version header should be added
• The PR does not introduce breaking changes
• If applicable, the changes made in the PR have proper test coverage
• For public API changes to cmdlets:
  • a cmdlet design review was approved for the changes in this repository (Microsoft internal only)
  • the markdown help files have been regenerated using the commands listed here

[XiangyuL-Microsoft]

We suppress a static analysis error. See discussions:

#8641 (comment)
https://github.com/Azure/azure-powershell-pr/pull/419#issuecomment-464499296

[VeryEarly]

/azp run

[azure-pipelines]

Azure Pipelines successfully started running 3 pipeline(s).