canRestoreExactViewPosition method added to know whether docking system is...

canRestoreExactViewPosition method added to know whether docking system is consistent in view position restoring

dockingvl/src/main/java/fr/soleil/docking/vl/VlDockDockingManager.java

@@ -177,4 +177,9 @@ public class VlDockDockingManager extends ADockingManager {
     public boolean isEnabledDocking() {
         return true;
     }
+
+    @Override
+    public boolean canRestoreExactViewPosition() {
+        return false;
+    }
 }