src/vs/workbench/services/extensionRecommendations/common/extensionIgnoredRecommendationsService.ts/ExtensionIgnoredRecommendationsService/toggleGlobalIgnoredRecommendation
class ExtensionIgnoredRecommendationsService:	toggleGlobalIgnoredRecommendation(extensionId: string, shouldIgnore: boolean): void {
		extensionId = extensionId.toLowerCase();
		const ignored = this._globalIgnoredRecommendations.indexOf(extensionId) !== -1;
		if (ignored === shouldIgnore) {
			return;
		}

		this._globalIgnoredRecommendations = shouldIgnore ? [...this._globalIgnoredRecommendations, extensionId] : this._globalIgnoredRecommendations.filter(id => id !== extensionId);
		this.storeCachedIgnoredRecommendations(this._globalIgnoredRecommendations);
		this._onDidChangeGlobalIgnoredRecommendation.fire({ extensionId, isRecommended: !shouldIgnore });
		this._onDidChangeIgnoredRecommendations.fire();
	}