Copy to clipboard creates node-links, not uris

[rolandschuetz]

The link copied to the clipboard offer a link in the form node://141f0642-aa0f-4837-90e3-167fb0f06ba4#test, which makes sense are usage inside Neos, but is not a sharable link. This should be better clarified for editors.

[rolandschuetz]

Here's how I implemented it in my package CodeQ.JumpMarkers:

Would you want to get merge this into the package? I could do a PR