Give ConfirmSwiper an accessible-navigation button fallback (#3464)

lib/src/screens/wallet_connect/widgets/wc_connection_request_sheet.dart

@@ -80,6 +80,7 @@ class WCConnectionRequestSheet extends StatelessWidget {
           padding: const EdgeInsets.symmetric(horizontal: 24),
           child: ConfirmSwiper(
             swiperText: S.of(context).wc_swipe_to_approve,
+            accessibleNavigationModeButtonText: S.of(context).wc_action_approve,
             onConfirmed: () {
               if (Navigator.canPop(context)) {
                 Navigator.of(context).pop(WCBottomSheetResult.one);

lib/src/screens/wallet_connect/widgets/wc_signing_request_sheet.dart

@@ -82,6 +82,7 @@ class WCSigningRequestSheet extends StatelessWidget {
           padding: const EdgeInsets.symmetric(horizontal: 24),
           child: ConfirmSwiper(
             swiperText: swipeLabel,
+            accessibleNavigationModeButtonText: S.of(context).confirm,
             onConfirmed: () {
               if (Navigator.canPop(context)) {
                 Navigator.of(context).pop(WCBottomSheetResult.one);