We don't require npm to be installed

The old version is no longer maintained and doesn't support rollup v3

Add another fix to nextcloud. if file is already on the nextcloudserver and the server response while upload with a 403/415 or another error

also adds two plural forms that were missing

It has new API which we want to use.

This got added in scoped-element 2.1.0 and is more or less the same
as getShadowRootDocument()