tooltip.js: ignore a LGTM error (#35147)

The code on this line is either sanitized or the user chose to not sanitize it.

js/src/tooltip.js

@@ -421,7 +421,7 @@ class Tooltip extends BaseComponent {
         content = sanitizeHtml(content, this._config.allowList, this._config.sanitizeFn)
       }
 
-      element.innerHTML = content
+      element.innerHTML = content // lgtm [js/xss-through-dom]
     } else {
       element.textContent = content
     }