Unfortunately there is nothing that can be done at this point. As you found out, packages no longer go to the postmaster. They now need to be picked up from the faction quartermaster. Levelling a faction up again before picking up the package will overwrite the first package.
https://www.bungie.net/en/Help/Article/13480
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Well, darn the luck. Oh well. Thank you for your time. Thanks for baring with us guardians and our foolish non sense. Sometimes we need game masters to carry the torch through the darkness for us because we stumble on our own feet haha.
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We've all been there at some point!
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Yes yes we have :(