src/vs/workbench/contrib/extensions/browser/extensionsWorkbenchService.ts/ExtensionsWorkbenchService/isInstalledExtensionSynced
class ExtensionsWorkbenchService:	private isInstalledExtensionSynced(extension: ILocalExtension): boolean {
		if (extension.isMachineScoped) {
			return false;
		}
		if (this.extensionsSyncManagementService.hasToAlwaysSyncExtension(extension.identifier.id)) {
			return true;
		}
		return !this.extensionsSyncManagementService.hasToNeverSyncExtension(extension.identifier.id);
	}