Deserialized the Value in DeploymentVariable as object array if its type is Array

[BethanyZhou]

Description

Continue deserializing the Value in DeploymentVariable as object array if its type is Array

Before:

PS C:\> $result.Outputs.stringstuff
Type  Value
----  -----
Array {, }

PS C:\> $result.Outputs.stringstuff.Value
None

PS C:\> $result.Outputs.stringstuff.Value.GetType()

IsPublic IsSerial Name                                     BaseType
-------- -------- ----                                     --------
True     False    JArray                                   Newtonsoft.Json.Linq.JContainer

After:

PS C:\> $result.Outputs.stringstuff

Type  Value
----  -----
Array {1, 2}

PS C:\> $result.Outputs.stringstuff.Value
1
2

PS C:\> $result.Outputs.stringstuff.Value.GetType()

IsPublic IsSerial Name                                     BaseType
-------- -------- ----                                     --------
True     True     Object[]                                 System.Array

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)
    • {Please put the link here}
  • the markdown help files have been regenerated using the commands listed here