Fix setIdValue() of INTER-Mediator.js to enable setting the value of the field to the attribute of the node again when specifying the IM target and displaying multiple records

Related commits:
6b59acd523c239faf54966d3755144f078dcf923
014c319262ddd4d95ee187c02f84f8681753471d
3e3ff3ee841a76aa409f86efdc0702b15b31fda9