Switch [HELP] Two separate saves between two cartridges. Any way to combine/move save file?

Arrowhart

Newcomer
In 2019, I imported the Nintendo Switch Collector's Edition from Japan (I'm in the US) and clocked several hundred hours. I recently received a physical copy of the US version and thought I'd continue my game on this. However, it makes a separate Switch icon as well as a separate save. Is there any way to move/combine/fix my save so I can use my US cartridge? Starting over wouldn't be the worst thing in the world, but I'd really like to continue my current save,

The photos below show what I'm dealing with. Notice how there is a cartridge icon next to the title when I select either icon. This shows that it's the physical version and is expecting a cartridge to play.
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