[merge from 6.7] #7606 Run a Webkit overflow fix as deferred to keep table scroll position accurate

svn changeset:23896/svn branch:6.8

src/com/vaadin/terminal/gwt/client/ui/VScrollTable.java

@@ -6247,7 +6247,14 @@ public class VScrollTable extends FlowPanel implements Table, ScrollHandler,
             // Webkit may sometimes get an odd rendering bug (white space
             // between header and body), see bug #3875. Running
             // overflow hack here to shake body element a bit.
-            Util.runWebkitOverflowAutoFix(scrollBodyPanel.getElement());
+            // We must run the fix as a deferred command to prevent it from
+            // overwriting the scroll position with an outdated value, see
+            // #7606.
+            Scheduler.get().scheduleDeferred(new Command() {
+                public void execute() {
+                    Util.runWebkitOverflowAutoFix(scrollBodyPanel.getElement());
+                }
+            });
         }
 
         /*