I cannot share actual sites, for privacy. It happens on text fields that are used to enter 2FA codes. Same pages work in Chrome, just not in Orion.
Edit menu while the cursor is in one of these fields:

Right-click menu while in the field:

I don't know what the "key" symbol is in the text field, password manager maybe? Though I'd expect Bitwarden to show up instead. Maybe there's some weird interaction that breaks ⌘V