Improve a11y on ios

src/components/Dialog/index.tsx

@@ -146,6 +146,10 @@ export function Outer({
   return (
     isOpen && (
       <Portal>
+        <View
+          accessibilityViewIsModal
+          style={[a.absolute, a.inset_0]}
+          importantForAccessibility="yes">
           <BottomSheet
             enableDynamicSizing={!hasSnapPoints}
             enablePanDownToClose
@@ -178,6 +182,7 @@ export function Outer({
               {children}
             </Context.Provider>
           </BottomSheet>
+        </View>
       </Portal>
     )
   )