demos/no-builds-bullseye.sh shows wrong versions for e2fsprogs

finally turning into an issue what we we discussed on irc some time ago:

< h01ger> bremner: https://tests.reproducible-builds.org/debian/bullseye/amd64/index_no_buildinfos.html lists eg e2fsprogs twice, both with the wrong version number for e2fsprogs in bullseye?! (1.45.5-2)
< h01ger> indeed, https://tests.reproducible-builds.org/debian/bullseye/amd64/index_buildinfos.html lists e2fsprogs too (and with the correct version). grrrr.
< h01ger> and your demos/no-builds-bullseye.sh has the same problem, showing wrong versions for e2fsprogs (on i386)
 h01ger: I verified that binary packages with those (strange) versions are in the database, but I didn't have time for more detective work yet. It's a puzzle to me that there are so rows for each suite matching the query "select b.source_version,b.version,b.suite,b.arch from binary_packages b where b.source='e2fsprogs' and b.arch='amd64';"
< bremner> Probably something about "Packages" files I don't get.

Sometimes a suite has the same package with different versions for one arch/suite combination to satisfy Build-Using: requirements, maybe that's the cause for what we have been seeing?