Various build and developer fixes, some optimizations (#2975)

* Various build and developer fixes, some optimizations

* Fix the linux build

* Fix afterpack

* Fix notarization variables

* Revert macos-notification-state changes from this PR

* Only build the tar for PRs

* Also ci

* Fix copy script

* Fix copy script more

* Remove @babel/cli

* Fix windows build

* Fix MAS build

src/common/Validator.ts

@@ -309,5 +309,5 @@ function validateAgainstSchema<T>(data: T, schema: Joi.ObjectSchema<T> | Joi.Arr
         log.error(`Validation failed due to: ${error}`);
         return null;
     }
-    return value;
+    return value as T;
 }