fix #112178.

src/vs/workbench/contrib/notebook/browser/view/output/transforms/textHelper.ts

@@ -91,6 +91,11 @@ export function truncatedArrayOfString(container: HTMLElement, outputs: string[]
 		const fullRange = new Range(1, 1, lineCount, Math.max(1, buffer.getLineLastNonWhitespaceColumn(lineCount)));
 
 		container.innerText = buffer.getValueInRange(fullRange, EndOfLinePreference.TextDefined);
+		if (renderANSI) {
+			container.appendChild(handleANSIOutput(buffer.getValueInRange(fullRange, EndOfLinePreference.TextDefined), themeService));
+		} else {
+			container.innerText = buffer.getValueInRange(fullRange, EndOfLinePreference.TextDefined);
+		}
 		return;
 	}