[NUI] fix DefaultGridItem image to fill available area.

diff --git a/src/Tizen.NUI.Components/Controls/RecyclerView/Item/DefaultGridItem.cs b/src/Tizen.NUI.Components/Controls/RecyclerView/Item/DefaultGridItem.cs
index 7f32c01..72c9221 100755 (executable)
--- a/src/Tizen.NUI.Components/Controls/RecyclerView/Item/DefaultGridItem.cs
+++ b/src/Tizen.NUI.Components/Controls/RecyclerView/Item/DefaultGridItem.cs
@@ -345,6 +345,8 @@ namespace Tizen.NUI.Components
             RelativeLayout.SetRightTarget(itemImage, this);
             RelativeLayout.SetRightRelativeOffset(itemImage, 1.0F);
             RelativeLayout.SetHorizontalAlignment(itemImage, RelativeLayout.Alignment.Center);
+            RelativeLayout.SetFillHorizontal(itemImage, true);
+            RelativeLayout.SetFillVertical(itemImage, true);
 
             if (itemLabel != null)
             {