[native] Memoize PanGestureHandler props in SwipeableMessage

Summary:
Based on flamegraph from profiler, it looks like A. creating `SwipeSnake`s and `PanGestureHandler` in `SwipeableMessage` is expensive B. because we're not memoizing things as carefully as we could be we're eating this cost multiple times.

In this diff I just memoize the `PanGestureHandler` props. In the subsequent diff I'll add some more memoization to this component specifically wrt the `SwipeSnake`s

---

Depends on D9052

Test Plan:
"Before":

{F736395}

Will do another round of profiling after the subsequent diff to show improvement.

Reviewers: ginsu, tomek, rohan

Reviewed By: tomek

Subscribers: ashoat

Differential Revision: https://phab.comm.dev/D9053

native/chat/swipeable-message.react.js

@@ -26,6 +26,9 @@ import type { ViewStyle } from '../types/styles.js';
 const primaryThreshold = 40;
 const secondaryThreshold = 120;
 
+const panGestureHandlerActiveOffsetX = [-4, 4];
+const panGestureHandlerFailOffsetY = [-5, 5];
+
 function dividePastDistance(value, distance, factor) {
   'worklet';
   const absValue = Math.abs(value);
@@ -239,6 +242,11 @@ function SwipeableMessage(props: Props): React.Node {
 
   const { contentStyle, children } = props;
 
+  const panGestureHandlerStyle = React.useMemo(
+    () => [contentStyle, transformContentStyle],
+    [contentStyle, transformContentStyle],
+  );
+
   if (!triggerReply && !triggerSidebar) {
     return (
       <PanGestureHandler enabled={false}>
@@ -305,15 +313,13 @@ function SwipeableMessage(props: Props): React.Node {
   snakes.push(
     <PanGestureHandler
       maxPointers={1}
-      activeOffsetX={[-4, 4]}
+      activeOffsetX={panGestureHandlerActiveOffsetX}
       onGestureEvent={swipeEvent}
       failOffsetX={isViewer ? 5 : -5}
-      failOffsetY={[-5, 5]}
+      failOffsetY={panGestureHandlerFailOffsetY}
       key="gesture"
     >
-      <Animated.View style={[contentStyle, transformContentStyle]}>
-        {children}
-      </Animated.View>
+      <Animated.View style={panGestureHandlerStyle}>{children}</Animated.View>
     </PanGestureHandler>,
   );