Fix microsoft#177405. Treat error as plain text. (microsoft#180960)

Author: rebornix

extensions/notebook-renderers/src/index.ts

@@ -126,7 +126,8 @@ type DisposableStore = ReturnType<typeof createDisposableStore>;
 function renderError(
 	outputInfo: OutputItem,
 	outputElement: HTMLElement,
-	ctx: IRichRenderContext
+	ctx: IRichRenderContext,
+	trustHTML: boolean
 ): IDisposable {
 	const disposableStore = createDisposableStore();
 
@@ -146,7 +147,7 @@ function renderError(
 		outputElement.classList.add('traceback');
 
 		const outputScrolling = scrollingEnabled(outputInfo, ctx.settings);
-		const content = createOutputContent(outputInfo.id, [err.stack ?? ''], ctx.settings.lineLimit, outputScrolling, true);
+		const content = createOutputContent(outputInfo.id, [err.stack ?? ''], ctx.settings.lineLimit, outputScrolling, trustHTML);
 		const contentParent = document.createElement('div');
 		contentParent.classList.toggle('word-wrap', ctx.settings.outputWordWrap);
 		disposableStore.push(ctx.onDidChangeSettings(e => {
@@ -413,7 +414,7 @@ export const activate: ActivationFunction<void> = (ctx) => {
 				case 'application/vnd.code.notebook.error':
 					{
 						disposables.get(outputInfo.id)?.dispose();
-						const disposable = renderError(outputInfo, element, latestContext);
+						const disposable = renderError(outputInfo, element, latestContext, ctx.workspace.isTrusted);
 						disposables.set(outputInfo.id, disposable);
 					}
 					break;