fix(Poll): ensure this.answers is set before we reference it

[JMTK]

Please describe the changes this PR makes and why it should be merged:
I use polls but I don't subscribe to the messageUpdate event, but I've been occassionally seeing this pop up. It doesn't seem to happen for every poll so I'm not 100% sure on reproduce steps. I think it's a minor bug that stems from the overhaul #10328

[UnhandledPromise] TypeError: Cannot read properties of undefined (reading 'get')

Promise {
<rejected> TypeError: Cannot read properties of undefined (reading 'get')
    at Poll._patch (/app/node_modules/discord.js/src/structures/Poll.js:58:37)
    at new Poll (/app/node_modules/discord.js/src/structures/Poll.js:46:10)
    at Message._patch (/app/node_modules/discord.js/src/structures/Message.js:425:21)
    at Message._update (/app/node_modules/discord.js/src/structures/Base.js:30:10)
    at MessageUpdateAction.handle (/app/node_modules/discord.js/src/client/actions/MessageUpdate.js:14:29)
    at module.exports [as MESSAGE_UPDATE] (/app/node_modules/discord.js/src/client/websocket/handlers/MESSAGE_UPDATE.js:6:57)
    at Client._handlePacket (/app/node_modules/discord.js/src/client/Client.js:355:33)
    at WebSocketManager.emit (/app/node_modules/@vladfrangu/async_event_emitter/src/index.ts:513:28)
    at WebSocketShard.<anonymous> (/app/node_modules/@discordjs/ws/src/strategies/sharding/SimpleShardingStrategy.ts:33:47)
    at WebSocketShard.emit (/app/node_modules/@vladfrangu/async_event_emitter/src/index.ts:513:28) 

Status and versioning classification:
Patch

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[almeidx]

Move the if (data.answers) block up too

[Copilot]

Pull Request Overview

This PR fixes an intermittent bug where this.answers was sometimes undefined when referenced in the Poll structure.

• Moves the initialization of this.answers to the constructor to guarantee its definition.
• Removes duplicate initialization of this.answers within the _patch method.

Comments suppressed due to low confidence (2)

packages/discord.js/src/structures/Poll.js:50

• Initializing this.answers in the constructor ensures it is defined before it is referenced in _patch, preventing the potential TypeError.

this.answers = new Collection();

packages/discord.js/src/structures/Poll.js:111

• The duplicate initialization of this.answers in _patch has been removed as it is no longer necessary and could lead to unintended side effects.

this.answers ??= new Collection();