Description of the new feature/enhancement

This is extension of #2690, which would allow to separately enable/disable all formats of copy, which there are currently 3, but might be more in the future.

Why disable? Ideally, all editors should well handle these formats, allow selection etc. However, in addition to what #2690 stated,, certain editors might for example better support RTF that HTML or whatever format there might be (I still think about #1084).

Proposed technical implementation details (optional)

This might either be a profile setting in form of:

"copyFormats": "text,html,rtf"

or an argument on copy action, when that is the thing. You could the just remove one or more of these formats, e.g. keep only plain text.