Do not show WooPay button on external/affiliate product page (#7589) #20973

Job	Run time
WP - nightly \| WC - latest \| wcpay - merchant	18m 2s
Generate the matrix for subscriptions-tests dynamically	1s
WP - nightly \| WC - latest \| wcpay - shopper	14m 24s
WP - nightly \| WC - latest \| subscriptions - merchant	4m 45s
WP - nightly \| WC - latest \| subscriptions - shopper	9m 8s
WC - 7.7.0 \| wcpay - merchant	16m 22s
WC - 7.7.0 \| wcpay - shopper	19m 1s
WC - 7.7.0 \| subscriptions - merchant	6m 14s
WC - 7.7.0 \| subscriptions - shopper	9m 17s
WC - latest \| wcpay - merchant	10m 34s
WC - latest \| wcpay - shopper	30m 35s
WC - latest \| subscriptions - merchant	4m 42s
WC - latest \| subscriptions - shopper	6m 50s
	2h 29m 55s

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