Improve html escape (#34911)

drop "escape-goat"

web_src/js/modules/toast.ts

@@ -1,4 +1,4 @@
-import {htmlEscape} from 'escape-goat';
+import {htmlEscape} from '../utils/html.ts';
 import {svg} from '../svg.ts';
 import {animateOnce, queryElems, showElem} from '../utils/dom.ts';
 import Toastify from 'toastify-js'; // don't use "async import", because when network error occurs, the "async import" also fails and nothing is shown