Support select multiple options in select menu components

[merlinfuchs]

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https://discord.com/channels/730045476459642900/1199012215336992951

[merlinfuchs]

This can be useful for e.g. role selects. To not create a text response for each selected option the user would disable the default response for each options and then add a "finally" response to the select menu itself. Or would the default response be smart enough to figure that out by itself?