DEV: Correct typos and spelling mistakes (#12812)

Over the years we accrued many spelling mistakes in the code base. 

This PR attempts to fix spelling mistakes and typos in all areas of the code that are extremely safe to change 

- comments
- test descriptions
- other low risk areas

test/smoke_test.js

@@ -16,7 +16,7 @@ const path = require("path");
 
 (async () => {
   const browser = await puppeteer.launch({
-    // when debugging localy setting the SHOW_BROWSER env variable can be very helpful
+    // when debugging locally setting the SHOW_BROWSER env variable can be very helpful
     headless: process.env.SHOW_BROWSER === undefined,
     args: ["--disable-local-storage", "--no-sandbox"]
   });