Rdp: add support for domain field in authentication.
Rdp: add support for domain field in authentication. Internally it's stored as a query parameter in the QUrl, eg: rdp://user@host?domain=xxx BUG: 498810
Rdp: add support for domain field in authentication. Internally it's stored as a query parameter in the QUrl, eg: rdp://user@host?domain=xxx BUG: 498810