Test we have full URLs

[rdoursenaud]

The Google API expects full URLs including http(s)://
A misconfigured Dolibarr can generate URLs missing this.
Issue an error message to the user if the generated URLs are not complete.

See https://assistance.gpcsolutions.fr/otrs/index.pl?Action=AgentTicketZoom;TicketID=203;ArticleID=736

[rdoursenaud]

Ping @Darkjeff ;)

[Darkjeff]

+1