[NUI] Fix NUI nested layout issue (#331)

Signed-off-by: huiyu.eun <huiyu.eun@samsung.com>

diff --git a/src/Tizen.NUI/src/public/BaseComponents/View.cs b/src/Tizen.NUI/src/public/BaseComponents/View.cs
index 32eadac..5c5b5c3 100755 (executable)
--- a/src/Tizen.NUI/src/public/BaseComponents/View.cs
+++ b/src/Tizen.NUI/src/public/BaseComponents/View.cs
@@ -1289,8 +1289,11 @@ namespace Tizen.NUI.BaseComponents
                     oldParent.Remove(child);
                 }
 
-                LayoutItem layoutItem = new LayoutItem();
-                child.Layout = layoutItem;
+                if (child.Layout == null)
+                {
+                    LayoutItem layoutItem = new LayoutItem();
+                    child.Layout = layoutItem;
+                }
 
                 NDalicPINVOKE.Actor_Add(swigCPtr, View.getCPtr(child));
                 if (NDalicPINVOKE.SWIGPendingException.Pending)