Format loader and add more comments (microsoft#188115)

Author: rzhao271

src/vs/base/worker/workerMain.ts

@@ -54,7 +54,7 @@
 		try {
 			const func = (
 				trustedTypesPolicy
-					? globalThis.eval(<any>trustedTypesPolicy.createScript('', 'true'))
+					? globalThis.eval(<any>trustedTypesPolicy.createScript('', 'true')) // CodeQL [SM01632] fetch + eval is used on the web worker instead of importScripts if possible because importScripts is synchronous and we observed deadlocks on Safari
 					: new Function('true') // CodeQL [SM01632] fetch + eval is used on the web worker instead of importScripts if possible because importScripts is synchronous and we observed deadlocks on Safari
 			);
 			func.call(globalThis);