List all terminals (online, physical, CheckoutX) for a merchant
SelfHostedPage, PaymentPage, MerchantInitiated, checkoutX)terminalId — Unique terminal identifierterminalType — Terminal type (SelfHostedPage, PaymentPage, MerchantInitiated, checkoutX, etc.)terminalStatus — Current status (ACTIVE, REGISTERED, INACTIVE)terminalName — Display name (if set)terminalPublicKey — Public key for SDK initialization (online terminals only)