ScheduledTask: Fixed execution account missing domain name

[jensotto]

Pull Request (PR) description

Improved PR #351 to include domain accounts.

This Pull Request (PR) fixes the following issues

Fixes #352 Possibly fixes or Improves #144

Task list

• [ ] Added an entry under the Unreleased section of the change log in the CHANGELOG.md. Entry should say what was changed, and how that affects users (if applicable).
• [ ] Resource documentation added/updated in README.md in resource folder.
• [ ] Resource parameter descriptions added/updated in schema.mof and comment-based help.
• [ ] Comment-based help added/updated.
• [ ] Localization strings added/updated in all localization files as appropriate.
• [ ] Examples appropriately added/updated.
• [ ] Unit tests added/updated. See DSC Resource Testing Guidelines.
• [ ] Integration tests added/updated (where possible). See DSC Resource Testing Guidelines.
• [x] New/changed code adheres to DSC Resource Style Guidelines and Best Practices.

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This change is 

[PlagueHO]

Hi @jensotto - thanks for submitting this. It looks like the HQRM tests are failing because an entry hasn't been added to the CHANGELOG.md: See the Update the Changelog section in: https://dsccommunity.org/guidelines/contributing/

[jensotto]

It already contains a message for that change so I didn't add any further comments: Fixed issue with ExecuteAsCredential not returning fully qualified username on newer versions of Windows 10 and Windows Server 2019 - Fixes Issue #352.

[PlagueHO]

Ah, I see. Unfortunately for the tests to pass you'll need to make a correction message.

[jensotto]

Ok, I have mad a small change to the existing entry in changelog.

[PlagueHO]

Hi @jensotto - sorry about the delays in getting to this. Can you resolve the conflicts and I'll review?

[jensotto]

@PlagueHO conflicts resolved