fix(BitField): use only enum names in iterating

[jaw0r3k]

Please describe the changes this PR makes and why it should be merged: Resolves: #9350 The change may seem weird, but its working. As enums are reverse mapped, getting keys will not only give names but values The shown exception was permissions, but its just an object

Status and versioning classification:

• Typings don't need updating
• This PR only includes non-code changes, like changes to documentation, README, etc.

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[Jiralite]

It looks like this needs backporting, would you mind doing it?

[jaw0r3k]

It looks like this needs backporting, would you mind doing it?

Sure <3

[github-actions[bot]]

⚡️ Lighthouse report for the changes in this PR:

Category	Score
🟢 Performance	98
🟢 Accessibility	100
🟢 Best practices	100
🟢 SEO	100
🟠 PWA	70

Lighthouse ran on https://discord-js-git-fork-jaw0r3k-patch-4-discordjs.vercel.app/