[NUI] Fix SVACE issue of null in ViewStyle.

diff --git a/src/Tizen.NUI/src/public/BaseComponents/Style/ViewStyle.cs b/src/Tizen.NUI/src/public/BaseComponents/Style/ViewStyle.cs
index e927adc..57753e3 100755 (executable)
--- a/src/Tizen.NUI/src/public/BaseComponents/Style/ViewStyle.cs
+++ b/src/Tizen.NUI/src/public/BaseComponents/Style/ViewStyle.cs
@@ -565,15 +565,14 @@ namespace Tizen.NUI.BaseComponents
         public override void CopyFrom(BindableObject other)
         {
             var source = other as ViewStyle;
-
-            IncludeDefaultStyle = source.IncludeDefaultStyle;
-            SolidNull = source.SolidNull;
-
             if (source == null || source.DirtyProperties == null || source.DirtyProperties.Count == 0)
             {
                 return;
             }
 
+            IncludeDefaultStyle = source.IncludeDefaultStyle;
+            SolidNull = source.SolidNull;
+
             BindableProperty.GetBindablePropertysOfType(GetType(), out var thisBindableProperties);
 
             if (thisBindableProperties == null)