Fix mobile sidebar swipes under load

Move mobile sidebar gesture gating to shared visual panel state so swipes can open and close sidebars before React state catches up. Keep the sidebar list scroll simultaneous with the close pan so vertical scrolling stays immediate.

packages/app/src/components/sidebar-workspace-list.tsx

@@ -2450,7 +2450,19 @@ function ProjectModeList({
   );
   const selectionEnabled = isWorkspaceRoute;
   const activeWorkspaceSelection = useActiveWorkspaceSelection();
-
+  const nativeScrollGestureProps = useMemo(
+    () =>
+      parentGestureRef
+        ? ({
+            // NestableScrollContainer forwards props to RNGH ScrollView. Keep
+            // vertical scroll and sidebar close pan simultaneous: vertical
+            // intent scrolls immediately, clear horizontal intent can still
+            // activate close from inside the list.
+            simultaneousHandlers: parentGestureRef,
+          } as object)
+        : undefined,
+    [parentGestureRef],
+  );
   const projectIconRequests = useMemo(() => {
     if (!serverId) {
       return [];
@@ -2724,6 +2736,7 @@ function ProjectModeList({
     <View style={styles.container}>
       {platformIsNative ? (
         <NestableScrollContainer
+          {...nativeScrollGestureProps}
           style={styles.list}
           contentContainerStyle={styles.listContent}
           showsVerticalScrollIndicator={false}