MM-61893 Replace usage of hasOwnProperty with Object.hasOwn (#29428)

* MM-61893 Replace usage of hasOwnProperty with Object.hasOwn

* Update type guard in messageToElement

* Replace a couple more hasOwnProperty calls

webapp/platform/eslint-plugin/configs/.eslintrc.json

@@ -370,7 +370,7 @@
     "no-process-env": 2,
     "no-process-exit": 2,
     "no-proto": 2,
-    "no-prototype-builtins": 1,
+    "no-prototype-builtins": 2,
     "no-restricted-imports": [
       "error",
       {