[Kubeflow 1.8] PVCViewer modal overlay persists after modal is dismissed

[brianmoran]

When interacting with the PVCViewer app (adding a file, folder etc) where a modal appears, the overlay persists once the modal is dismissed, either via submitting the modal for or cancelling via Esc.

Kubeflow 1.8

Modal with overlay present

After modal is dismissed

[github-actions]

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