build/npm: add TS transformation that optimise for-of on arrays

[IvanGoncharov]

Context: I wanted to try more automatic alternative to #3687 that allows us to continue using ES6 features without perfomance lost.

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[JoviDeCroock]

@IvanGoncharov https://astexplorer.net/#/gist/54f452efefc94d565223d4296a91172e/84b9951249ac82a140e5aeafa3bec78c9861dd96 this would do the array destruct optimizations