fix(lightbox): dedup a11y on ImageMenu trigger

src/features/lightbox/chrome/ImageMenu.tsx

@@ -23,12 +23,13 @@ export function ImageMenu({onPressShare, onPressSave}: Props) {
         label={_(msg`Image options`)}
         contentLabel={_(msg`Image options`)}>
         {triggerProps => {
-          if (triggerProps.IS_NATIVE) {
+          if (!triggerProps.IS_NATIVE) {
+            // ImageMenu is native-only; web uses Lightbox.web.tsx's own menu
+            return null
+          }
           return (
             <Pressable
-                accessibilityRole="button"
+              accessible={false}
-                accessibilityLabel={_(msg`Image options`)}
-                accessibilityHint=""
               onPress={() => triggerProps.control.open('full')}
               style={a.self_start}>
               <CircleChromeButton
@@ -37,10 +38,6 @@ export function ImageMenu({onPressShare, onPressSave}: Props) {
               />
             </Pressable>
           )
-          }
-          return (
-            <CircleChromeButton icon={DotsIcon} label={_(msg`Image options`)} />
-          )
         }}
       </ContextMenu.Trigger>