ESLint rules: array-callback-return, no-invalid-this, func-style (#3151)

* satisfied array-callback-return rule
* satisfying no-invalid-this rule
* fixed invalid-this issues
* changed isNotEqual to arrow function
* added rule func-style
* added return false to satisfy array-callback-return rule

Co-authored-by: Joel McKinnon <jmckinnon@apple.com>
Co-authored-by: Joshi <simplyrender@gmail.com>
Co-authored-by: Andrew Henry <akhenry@gmail.com>

src/api/telemetry/TelemetryMetadataManager.js

@@ -114,7 +114,7 @@ define([
         hints
     ) {
         function hasHint(hint) {
-            /*jshint validthis: true */
+            // eslint-disable-next-line no-invalid-this
             return this.hints.hasOwnProperty(hint);
         }