replaced scrollToEventId with current version from fluffychat

lib/pages/chat/chat.dart

@@ -1108,14 +1108,14 @@ class ChatController extends State<ChatPageWithRoom>
     inputFocus.requestFocus();
   }
 
-  void scrollToEventId(String eventId) async {
-    // #Pangea
-    // final eventIndex = timeline!.events.indexWhere((e) => e.eventId == eventId);
+  void scrollToEventId(
+    String eventId, {
+    bool highlightEvent = true,
+  }) async {
     final eventIndex = timeline!.events
         .where((event) => event.isVisibleInGui)
         .toList()
         .indexWhere((e) => e.eventId == eventId);
-    // Pangea#
     if (eventIndex == -1) {
       setState(() {
         timeline = null;
@@ -1131,11 +1131,14 @@ class ChatController extends State<ChatPageWithRoom>
       });
       return;
     }
-    setState(() {
-      scrollToEventIdMarker = eventId;
-    });
+    if (highlightEvent) {
+      setState(() {
+        scrollToEventIdMarker = eventId;
+      });
+    }
     await scrollController.scrollToIndex(
-      eventIndex,
+      eventIndex + 1,
+      duration: FluffyThemes.animationDuration,
       preferPosition: AutoScrollPosition.middle,
     );
     _updateScrollController();