lspclient: add a "Code Action" menu
Which allow to run code actions on a particular range.
It is usefull for code actions which are not related to diagnostics.
Also fix the workspace/executeCommand request to have an "id" as it should.
Which allow to run code actions on a particular range.
It is usefull for code actions which are not related to diagnostics.
Also fix the workspace/executeCommand request to have an "id" as it should.