Search not restricted by collection

I've created some vault collections to ease working with the large number of vaults I have across multiple accounts. The problem is that when I have a collection selected, the "Show all matching items" search feature returns items from all vaults including those not in the currently selected collection. Is this a bug, or is there a way to restrict search results to vaults in the active collection? Right now, there's effectively no way that I can see to limit searches to a subset of vaults.

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1Password Version: 80400053
Extension Version: Not Provided
OS Version: macOS 21.0.1