[REF] [Import] Extract getContactType

[REF] [Import] Extract getContactType

Note that the function on the MetaDataTrait is moved to the
Parser_Class - 3 forms use the trait - a unittest class,
the Parser_Class and MapField.

MapField was not calling the old function but the newly added one
clashes - and highlights that the contents of the function
should differ for the 2 scenarios - hence moving
off the Trait and onto the 3 classes that use it