According to latest Nov 01 patch, Tuxedo Rental Store can now be bought in the Menu.
However, upon looking, it still does not show up.
Though I just want to point out that the Tuxedo Rental Store can be "turned in" via the Collections menu, once "Jet Setter Collection" is completed. So, maybe just update the quest log where it can explicitly say that Tuxedo Rental Store can be obtained via "Jet Setter Collection Turn in", the same as shown below:
