call await on toplevel in module do not work on iOS

[hakanols]

With top-level await
https://blog.saeloun.com/2021/11/25/ecmascript-top-level-await/
The await used to setup random generator can be removed. This await has causes issues on iOS.
await (async function() {...})()
->
(async function() {...})()

[hakanols]

Removing the top level await will cause problem in the Node case.
Using Top Level await in modules on the other hand cases problem with window.onLoad in HTML.
https://hakanols.github.io/spel/AwaitTopLevel/index.html
This is on the other hand most likely a bug that will be fixed.