Fix some typescript issues (#32586)

Fixes around 30 or so typescript errors. No runtime changes.

web_src/js/modules/fomantic/dimmer.ts

@@ -3,7 +3,7 @@ import {queryElemChildren} from '../../utils/dom.ts';
 
 export function initFomanticDimmer() {
   // stand-in for removed dimmer module
-  $.fn.dimmer = function (arg0, arg1) {
+  $.fn.dimmer = function (arg0: string, arg1: any) {
     if (arg0 === 'add content') {
       const $el = arg1;
       const existingDimmer = document.querySelector('body > .ui.dimmer');