feat: components v2 & View improvements

[NeloBlivion]

Summary

Soon

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• Edit by Lala:
  Temporary reference: https://github.com/Lulalaby/discord-api-docs/blob/comp_v2/docs/interactions/Message_Components.md#v2-components

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• Yet another edit by Lala:
  Official PR for the docs is available now at Components v2 discord/discord-api-docs#7487

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Information

• This PR fixes an issue.
• This PR adds something new (e.g. new method or parameters).
• This PR is a breaking change (e.g. methods or parameters removed/renamed).
• This PR is not a code change (e.g. documentation, README, typehinting,
  examples, ...).

Checklist

• I have searched the open pull requests for duplicates.
• If code changes were made then they have been tested.
  • I have updated the documentation to reflect the changes.
• If type: ignore comments were used, a comment is also left explaining why.
• I have updated the changelog to include these changes.

Reference:

[Lulalaby]

discord/discord-api-spec@2a2605c

we have attachment_id on the UnfurledMedia object now

[Lulalaby]

and the file display component has two more fields: size in bytes and name
ref discord/discord-api-docs#7609

[Paillat-dev]

@NeloBlivion I think something broke with your recent pushes:

if payload["content"] or payload["embeds"]

in ``discord/webhooks/_async.py`

Is causing:

KeyError: 'content'
  File "discord/commands/core.py", line 138, in wrapped
    ret = await coro(arg)
  File "discord/commands/core.py", line 1078, in _invoke
    await self.callback(self.cog, ctx, **kwargs)
  File "src/extensions/chatcop/cogs/admin/__init__.py", line 260, in view
    await ctx.respond(view=view, ephemeral=True, allowed_mentions=discord.AllowedMentions.none())
  File "discord/ext/bridge/context.py", line 92, in respond
    return await self._respond(*args, **kwargs)
  File "discord/ext/bridge/context.py", line 145, in _respond
    return await self._get_super("respond")(*args, **kwargs)
  File "discord/interactions.py", line 694, in respond
    return await self.followup.send(*args, **kwargs)
  File "discord/webhook/async_.py", line 1822, in send
    params = handle_message_parameters(
  File "discord/webhook/async_.py", line 673, in handle_message_parameters
    if payload["content"] or payload["embeds"]: