bug: Importing functions from other modules changes the hugr output

[croyzor]

Comparing

qid :: { Qubit -o Qubit }
qid  = { q => q }

my_circ :: { Qubit -o Qubit }
my_circ = { q => qid(q) }

to the same program where qid is imported from another file, the latter seems to cut off the return type from qid