As an experiment, I tried changing the global user directory following these instructions.
I still get the same issue. Xenoblade Chronicles loads and saves to the wrong user's Documents folder. All other Dolphin settings are picked up from the correct folder, as specified by the registry entry.
I still get the same issue. Xenoblade Chronicles loads and saves to the wrong user's Documents folder. All other Dolphin settings are picked up from the correct folder, as specified by the registry entry.