Prerequisites

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Steps to reproduce

For context,

See detailed analysis here: #17896 (comment)

See @iSazonov 's comment #17896 (comment)

It is not easy to get an exception from the copy task. I disconnected network for ~1 minutes and restore it. Original cmdlet waits some seconds and silently stop with semi-downloaded file. With the change (without catching AggregateException) user get follow error:

I think it is right behavior and we should remove the regression.

Expected behavior

Throw an exception if download fails.

Actual behavior

Does not throw an exception if download fails.

Error details

No response

Environment data

Name                           Value
----                           -----
PSVersion                      7.2.6
PSEdition                      Core
GitCommitId                    7.2.6
OS                             Microsoft Windows 10.0.19044
Platform                       Win32NT
PSCompatibleVersions           {1.0, 2.0, 3.0, 4.0…}
PSRemotingProtocolVersion      2.3
SerializationVersion           1.1.0.1
WSManStackVersion              3.0

### Visuals

_No response_