Transforming destructure reassignment results in extra parenthesis

If I translate code with a destructuring reassignment, i.e. destructuring syntax, outside of a VariableDeclaration, e.g. `({ foo } = bar);`, then the result ends up wrapped in an additional, unnecessary layer of parentheses, e.g. `({ foo } = bar))`.

([Example from AST Explore](https://astexplorer.net/#/gist/b47c693765df745a606b383295251da7/3b4ab99513b2de8f149bb5a145ce85f60a4a5eb7))

I believe this to be largely the same underlying causes as #327 , so I suspect there's nothing to be done about it, at the moment, but I thought it'd be worth opening an issue to track it nonetheless.

(Sorry for some edit noise, here. I accidentally posted this way before it was ready to be posted)