src/vs/platform/storage/common/storage.ts/AbstractStorageService/canSwitchProfile
class AbstractStorageService:	protected canSwitchProfile(from: IUserDataProfile, to: IUserDataProfile): boolean {
		if (from.id === to.id) {
			return false; // both profiles are same
		}

		if (isProfileUsingDefaultStorage(to) && isProfileUsingDefaultStorage(from)) {
			return false; // both profiles are using default
		}

		return true;
	}