After the changes in #58669, it's now possible for these `DynamicUsageErrors` to be caught in the streaming renderer. We didn't have any logic to handle this happening inside the existing catch block, so this adds a check for that specific error and re-throws it so that it properly bubbles to `exportPage`. `exportPage` checks the error to see if it's a `DynamicUsageError` and if so, marks the page as dynamic.
(This resolves an issue with particular scenarios hanging the build, caught by a few of our tests: [example](https://github.com/vercel/next.js/actions/runs/6949079695/job/18907597751?pr=58744), [example](https://github.com/vercel/next.js/actions/runs/6948412805/job/18904387924))
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