sync extension if machine scope is not specified

src/vs/workbench/services/extensionManagement/common/extensionManagementService.ts

@@ -244,6 +244,11 @@ export class ExtensionManagementService extends Disposable implements IWorkbench
 		}
 
 		if (servers.length) {
+			if (!installOptions.isMachineScoped) {
+				if (this.extensionManagementServerService.localExtensionManagementServer && !servers.includes(this.extensionManagementServerService.localExtensionManagementServer)) {
+					servers.push(this.extensionManagementServerService.localExtensionManagementServer);
+				}
+			}
 			return Promise.all(servers.map(server => server.extensionManagementService.installFromGallery(gallery, installOptions))).then(([local]) => local);
 		}