don't use renderCodicons any more, https://github.com/microsoft/vscode/issues/105799

src/vs/base/browser/markdownRenderer.ts

@@ -15,9 +15,10 @@ import { cloneAndChange } from 'vs/base/common/objects';
 import { escape } from 'vs/base/common/strings';
 import { URI } from 'vs/base/common/uri';
 import { Schemas } from 'vs/base/common/network';
-import { renderCodicons, markdownEscapeEscapedCodicons } from 'vs/base/common/codicons';
+import { markdownEscapeEscapedCodicons } from 'vs/base/common/codicons';
 import { resolvePath } from 'vs/base/common/resources';
 import { StandardMouseEvent } from 'vs/base/browser/mouseEvent';
+import { renderCodiconsAsElement } from 'vs/base/browser/codicons';
 
 export interface MarkedOptions extends marked.MarkedOptions {
 	baseUrl?: never;
@@ -143,7 +144,11 @@ export function renderMarkdown(markdown: IMarkdownString, options: MarkdownRende
 		}
 	};
 	renderer.paragraph = (text): string => {
-		return `<p>${markdown.supportThemeIcons ? renderCodicons(text) : text}</p>`;
+		if (markdown.supportThemeIcons) {
+			const elements = renderCodiconsAsElement(text);
+			text = elements.map(e => typeof e === 'string' ? e : e.outerHTML).join('');
+		}
+		return `<p>${text}</p>`;
 	};
 
 	if (options.codeBlockRenderer) {