src/vs/workbench/contrib/search/browser/symbolsQuickAccess.ts/SymbolsQuickAccessProvider/configuration
class SymbolsQuickAccessProvider:	private get configuration() {
		const editorConfig = this.configurationService.getValue<IWorkbenchEditorConfiguration>().workbench?.editor;

		return {
			openEditorPinned: !editorConfig?.enablePreviewFromQuickOpen || !editorConfig?.enablePreview,
			openSideBySideDirection: editorConfig?.openSideBySideDirection
		};
	}