Duplicating Jupyter Notebooks.

[saserbest]

Environment

• VSCode Version: 1.89.1
• OS Version: Mac OS Sanoma 1.89.1

Actual behavior

After duplicating .ipynb files, they open in JSON format instead of as Jupyter Notebooks.
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Expected behavior

Files should open in the editor as Jupyter Notebooks.
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Steps to reproduce

Duplicate any .ipynb file.
Rename the duplicated file and press enter.
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Settings

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