Add get_copy

[gmuraru]

Pull Request

PR lined with this one

Description

Add a get_copy param to get such that we can call get without removing the object from the remote worker.

Affected Dependencies

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Type of Change

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• Bug fix (non-breaking change which fixes an issue)
• Documentation (non-breaking change which adds documentation)
• Improvement (non-breaking change that improves the performance or reliability of existing functionality)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)

How has this been tested?

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Checklist

• I did follow the Contribution Guidelines
• I did follow the Code of Conduct
• I have commented my code following the OpenMined Styleguide
• I have added tests for my changes

Additional Context

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