ArcGIS Assistant doesn't copy attachments from one ArcGIS Portal to another when cloning hosted features

[RazvanHurezan]

Describe the bug
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ArcGIS Assistant doesn't copy attachments from one ArcGIS Portal to another when cloning hosted features. Cloning from 10.9.1 to 11.3
To Reproduce
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2. Click on '....'
3. Scroll down to '....'
4. See error

Expected behavior
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Desktop (please complete the following information):

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• Version [e.g. 22]

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