Fix menu scroller - not trigger events on initialization

Author: ricardojlrufino

app/src/processing/app/tools/MenuScroller.java

@@ -289,7 +289,7 @@ public MenuScroller(JPopupMenu menu, int scrollCount, int interval,
 
     upItem = new MenuScrollItem(MenuIcon.UP, -1);
     downItem = new MenuScrollItem(MenuIcon.DOWN, +1);
-    setScrollCount(scrollCount);
+    this.scrollCount = scrollCount;
     setInterval(interval);
     setTopFixedCount(topFixedCount);
     setBottomFixedCount(bottomFixedCount);