Merge pull request #44132 from tsa321/fixAutoScrollOnNewMessage

Fix report doesn't scroll down to bottom when receiving new message

Author: marcochavezf

src/components/FlatList/index.tsx

@@ -44,6 +44,8 @@ function MVCPFlatList<TItem>({maintainVisibleContentPosition, horizontal = false
     const mutationObserverRef = useRef<MutationObserver | null>(null);
     const lastScrollOffsetRef = useRef(0);
     const isListRenderedRef = useRef(false);
+    const mvcpAutoscrollToTopThresholdRef = useRef(mvcpAutoscrollToTopThreshold);
+    mvcpAutoscrollToTopThresholdRef.current = mvcpAutoscrollToTopThreshold;
 
     const getScrollOffset = useCallback((): number => {
         if (!scrollRef.current) {
@@ -105,11 +107,11 @@ function MVCPFlatList<TItem>({maintainVisibleContentPosition, horizontal = false
             const scrollOffset = getScrollOffset();
             prevFirstVisibleOffsetRef.current = firstVisibleViewOffset;
             scrollToOffset(scrollOffset + delta, false);
-            if (mvcpAutoscrollToTopThreshold != null && scrollOffset <= mvcpAutoscrollToTopThreshold) {
+            if (mvcpAutoscrollToTopThresholdRef.current != null && scrollOffset <= mvcpAutoscrollToTopThresholdRef.current) {
                 scrollToOffset(0, true);
             }
         }
-    }, [getScrollOffset, scrollToOffset, mvcpMinIndexForVisible, mvcpAutoscrollToTopThreshold, horizontal]);
+    }, [getScrollOffset, scrollToOffset, mvcpMinIndexForVisible, horizontal]);
 
     const setupMutationObserver = useCallback(() => {
         const contentView = getContentView();