src/vs/workbench/contrib/extensions/browser/extensionRecommendationNotificationService.ts/ExtensionRecommendationNotificationService/addToImportantRecommendationsIgnore
class ExtensionRecommendationNotificationService:	private addToImportantRecommendationsIgnore(id: string) {
		const importantRecommendationsIgnoreList = [...this.ignoredRecommendations];
		if (!importantRecommendationsIgnoreList.includes(id.toLowerCase())) {
			importantRecommendationsIgnoreList.push(id.toLowerCase());
			this.storageService.store(ignoreImportantExtensionRecommendationStorageKey, JSON.stringify(importantRecommendationsIgnoreList), StorageScope.PROFILE, StorageTarget.USER);
		}
	}