feat: check if sign-in gate is dismissible by treatment type

Author: Juarez Mota

dotcom-rendering/src/components/SignInGate/gateDesigns/SignInGateAuxia.tsx

@@ -50,12 +50,8 @@ export const SignInGateAuxia = ({
 		return input !== '';
 	};
 
-	/*
-	Whether the gate is dismissible is carried by `secondCtaName` which if it's truthy
-	makes the gate dismissible and otherwise is non dismissible.
-	*/
-
-	const isDismissible = !!secondCtaName;
+	const isDismissible =
+		userTreatment.treatmentType === 'DISMISSABLE_SIGN_IN_GATE';
 	const dismissStatusLabel = isDismissible
 		? 'dismissible'
 		: 'non-dismissible';

dotcom-rendering/src/components/SignInGate/gateDesigns/SignInGateAuxiaV2.tsx

@@ -48,11 +48,11 @@ export const SignInGateAuxiaV2 = ({
 		body,
 		first_cta_name: firstCtaName,
 		first_cta_link: firstCtaLink,
-		second_cta_name: secondCtaName,
 	} = JSON.parse(userTreatment.treatmentContent) as TreatmentContentDecoded;
 
 	const has = (s?: string) => !!s && s.trim() !== '';
-	const isDismissible = has(secondCtaName);
+	const isDismissible =
+		userTreatment.treatmentType === 'DISMISSABLE_SIGN_IN_GATE';
 	const dismissStatusLabel = isDismissible
 		? 'dismissible'
 		: 'non-dismissible';