Fix mod_aggregate for pkg state module when a version is specified in a pkgs argument

[bdrx312]

What does this PR do?

What issues does this PR fix or reference?

Fixes #69736

Previous Behavior

Raised an exception

New Behavior

Correctly aggregates the packages for multiple states even when a version is specified

Merge requirements satisfied?

• Docs
• Changelog - https://docs.saltproject.io/en/master/topics/development/changelog.html
• Tests written/updated

Commits signed with GPG?

No

[frebib]

So fun fact- we tried running pkg aggregate at scale with a bunch of similar fixes here and found that states executed in the wrong order on occasion despite the requisites being correct. I'm not sure if it's something we did or a pre-existing bug, but there we go

[bdrx312]

So fun fact- we tried running pkg aggregate at scale with a bunch of similar fixes here and found that states executed in the wrong order on occasion despite the requisites being correct. I'm not sure if it's something we did or a pre-existing bug, but there we go

@frebib I would love some more details about any issues you have experienced. I really would like to get the performance gains from this feature on my own projects. If you tag me on any issues you write or post in the discord, I can hopefully spend some time investigating.