FPM::Package#convert does not keep defaults attrs
FPM::Package#convert does not keep defaults attrs

This is a failing spec to show a bug in FPM::Package#convert:
Default attributes of the target package format are applied when calling .new,
but then discarded and entirely replaced with the attributes of the source
package.

djhaskin987/fpm,djhaskin987/fpm,djhaskin987/fpm,djhaskin987/fpm