Another idea which may have little or no affect: in the hex editor change every instance of the game ID to something which isn't the ID of any existing game, but that looks like an ID. This may help to confuse dolphin enough to think that it isn't the same game.
OS: Windows 10 64 bit Professional
CPU: AMD Ryzen 5900X
RAM: 48GB
GPU: Radeon 7800 XT
CPU: AMD Ryzen 5900X
RAM: 48GB
GPU: Radeon 7800 XT