UnsafeEmbed should not validate input on #addFields call

[almostSouji]

Which package is this bug report for?

discord.js

Issue description

discord.js/packages/builders/src/messages/embed/UnsafeEmbed.ts

Line 129 in d8184f9

this.fields.push(...Embed.normalizeFields(...fields));

The UnsafeEmbed's addFields method introduced in #7387 should not call the static #normalizeFIelds from the safe Embed, as it causes validation.

Code sample

No response

Package version

discord.js@14.0.0-dev.1644106039.d8184f9

Node.js version

v16.9.0

Operating system

5.16.4-arch1-1

Priority this issue should have

Medium (should be fixed soon)

Which partials do you have configured?

Not applicable (subpackage bug)

Which gateway intents are you subscribing to?

Not applicable (subpackage bug)

I have tested this issue on a development release

d8184f9