Bug/glitch on the NSO version of Metroid Fusion?

(I'll post about this in the Metroid subreddit tomorrow as well - don't want to take a chance today with the Metroid and Hollow Knight subs being swapped for April Fool's.)

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I've been playing Metroid Fusion on the GBA collection, and the two final bosses have been kicking my butt, so I decided to go back and try to pick up some more energy tanks... to my surprise, though, the six subsections of the station are all locked off once you get to the Recharge Room at the start of each section (same with the portions of the Main Deck that don't lead directly to the second-to-last boss). I talked to some friends about it on Discord and they pointed me to two options:

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1. Use one of the Navigation Rooms in the Main Deck, which should open all the doors.
2. Use the shortcut from the Main Deck to Section 2, and get to other sections from there.

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Unfortunately, neither of these work. Using one of the Nav Rooms doesn't do anything, and unless I'm missing something really obvious, the path that leads to the Section 2 shortcut has also been locked off.

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Has anybody else experienced this issue in the Switch Online version of Fusion? And if so, have you figured out any solutions?