explicitly set edge effect to "soft"

src/screens/Messages/Conversation.tsx

@@ -262,6 +262,7 @@ function InnerReady({
       {IS_LIQUID_GLASS ? (
         <ScrollEdgeEffect
           edge="top"
+          effect="soft"
           style={[a.absolute, a.w_full, a.z_10, {paddingTop: topInset}]}
           onLayout={onHeaderLayout}>
           {header}

src/screens/Messages/components/MessageComposer.tsx

@@ -326,7 +326,7 @@ export function ComposerContainer({children}: {children: React.ReactNode}) {
 
   if (IS_LIQUID_GLASS) {
     return (
-      <ScrollEdgeEffect edge="bottom">
+      <ScrollEdgeEffect edge="bottom" effect="soft">
         <Animated.View style={[a.w_full, animatedContainerStyle, a.pb_lg]}>
           {children}
         </Animated.View>