Anemoi-datasets copy from s3 bucket deletes current folder

[einrone]

Describe the bug
A clear and concise description of what the bug is.

When running for example :

anemoi-datasets copy s3://ml-datasets/aifs-ea-an-enda-0001-mars-o96-1979-2022-6h-v6-recentered-on-oper.zarr .

It deletes the current folder I am inside (i.e the ".")

To Reproduce
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2. Click on '....'
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4. See error

URL to sample input data
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Expected behavior
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I expected that it will copy a given zarr dataset to my folder and not delete everything that is inside.

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Desktop (please complete the following information):

• OS: [e.g. iOS]
• Browser [e.g. chrome, safari]
• Version [e.g. 22]

Smartphone (please complete the following information):

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• OS: [e.g. iOS8.1]
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• Version [e.g. 22]

using ubuntu

Additional context
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[floriankrb]

This should be fixed in the current develop branch. Could you confirm, please?