chore: restore variant switching

Author: RobbyUitbeijerse

packages/thirdweb/src/react/web/ui/ConnectWallet/screens/Buy/fiat/FiatScreenContent.tsx

@@ -230,7 +230,7 @@ export function FiatScreenContent(props: {
       </Container>
 
       <Button
-        variant="accent"
+        variant={disableSubmit ? "outline" : "accent"}
         data-disabled={disableSubmit}
         disabled={disableSubmit}
         fullWidth

packages/thirdweb/src/react/web/ui/ConnectWallet/screens/Buy/swap/SwapScreenContent.tsx

@@ -334,7 +334,7 @@ export function SwapScreenContent(props: {
         />
       ) : (
         <Button
-          variant="accent"
+          variant={disableContinue ? "outline" : "accent"}
           fullWidth
           data-disabled={disableContinue}
           disabled={disableContinue}