src/vs/workbench/services/extensionManagement/common/webExtensionManagementService.ts/WebExtensionManagementService/toLocalExtension
class WebExtensionManagementService:	private toLocalExtension(extension: IExtension): ILocalExtension {
		return {
			...extension,
			isMachineScoped: false,
			publisherId: null,
			publisherDisplayName: null,
		};
	}