Attempt at fixing #28070 with mobile phone to a thirdparty

[JonBendtsen]

NEW #28070 Adding mobile phone to thirdparty Attempt at adding mobile phone to thirdparty. Most code is a direct copy of how phone and fax was setup for a thirdparty just modified to be about mobile phone.

Parts with images are inspired from phone_mobile under contacts.

[JonBendtsen]

I can't seem to find the error for why Tavis CI build check fails?