utils: Factor out basic value type setting from _set_property_value_from_type()
utils: Factor out basic value type setting from _set_property_value_from_type()

A simple cosmetic enhancement with the hope to improve code readability.

Signed-off-by: Eduardo Lima (Etrunko) <025eb0974a9f48eaca88b86d8c2bcaf361e95a91@redhat.com>

GNOME/libgovirt,etrunko/libgovirt,etrunko/libgovirt