1GB+ source file throwing an error on page load

[heff]

To recreate:

1. Add a very big video source file to /video/files
2. Import it into a page
3. Load the page

Error

error uncaughtException: Error: Cannot create a string longer than 0x1fffffe8 characters
    at Object.slice (node:buffer:593:37)
    at Buffer.toString (node:buffer:811:14)
    at utf8BufferToString (.../loader-runner/LoaderRunner.js:1:2114)
...
.../node_modules/next/dist/compiled/webpack/bundle5.js:1:267649
    at FSReqCallback.readFileAfterClose [as oncomplete] (node:internal/fs/read_file_context:68:3) {
  code: 'ERR_STRING_TOO_LONG'

[luwes]

was fixed in #110