Fix MobX crash for Android lightbox (#1668)

* Fix MobX crash for Android lightbox

* Reorder props to match between forks

src/view/com/lightbox/ImageViewing/components/ImageItem/ImageItem.android.tsx

···
       )}
       <GestureDetector gesture={composedGesture}>
         <AnimatedImage
-          source={imageSrc}
           contentFit="contain"
+          // NOTE: Don't pass imageSrc={imageSrc} or MobX will break.
+          source={{uri: imageSrc.uri}}
           style={[styles.image, animatedStyle]}
           accessibilityLabel={imageSrc.alt}
           accessibilityHint=""

src/view/com/lightbox/ImageViewing/components/ImageItem/ImageItem.ios.tsx

···
           accessibilityHint="">
           <AnimatedImage
             contentFit="contain"
+            // NOTE: Don't pass imageSrc={imageSrc} or MobX will break.
             source={{uri: imageSrc.uri}}
             style={[styles.image, animatedStyle]}
             onLoad={() => setLoaded(true)}