--marginal output does not respect --invert_hash

[jackgerrits]

../build/vowpalwabbit/vw --marginal m --noconstant --initial_numerator 0.5 --initial_denominator 1.0 --decay 0.001 --readable_model readable_model.txt

Data:

0.5 |m constant id1
1.0 |m constant id2
0.25 |m constant id3
0.4 |m constant id1

Observed invert hash model:

Version 8.11.0
Id 
Min label:0
Max label:1
bits:18
lda:0
0 ngram:
0 skip:
options: --marginal m
Checksum: 1964076403
marginals size = 3
262109:0.75:2
134578:1.5:2
251020:1.4:3
:0
m^constant:6788:0.877014

Expected invert hash model:

Version 8.11.0
Id 
Min label:0
Max label:1
bits:18
lda:0
0 ngram:
0 skip:
options: --marginal m
Checksum: 1964076403
marginals size = 3
id3:0.75:2
id2:1.5:2
id1:1.4:3
:0
m^constant:6788:0.877014

The marginals section contains hashes instead of the corresponding id feature name.

[varunbankar]

Hello! Can I work on this issue?

[jackgerrits]

Sure thing!