So unless that's been fixed I'll stick with Ryujinx. Also you can try to crate a symbolic link. Both Yuzu and Ryujinx support a flavor of online play.

Guide Introduction Prerequisites Booting into RCM Preparing the microSD Card Booting Hekate from RCM Formatting the microSD Card to FAT32 (Recommended) Backing up Switch NAND (Optional) Dumping Decryption Keys Dumping System Firmware Dumping … Edit: Oh first I need to create the save file in Checkpoint. Wait for it to inject, Switch might freeze for a few seconds, and then profit. I do this with animal crossing to have more than 1 island. I see, thank … 3- reinstall yuzu and start the game. If you cannot launch tinfoil then make sure you followed the Rentry guide to set up cfw. Once the save has opened, click Convert and browse for an empty folder to save the converted files to.

That is another issue with your plan though.