[NUI] Fix type comparison method in PropertyHelper

Signed-off-by: Jiyun Yang <ji.yang@samsung.com>

diff --git a/src/Tizen.NUI/src/internal/Common/PropertyHelper.cs b/src/Tizen.NUI/src/internal/Common/PropertyHelper.cs
index 4be0347..a806646 100755 (executable)
--- a/src/Tizen.NUI/src/internal/Common/PropertyHelper.cs
+++ b/src/Tizen.NUI/src/internal/Common/PropertyHelper.cs
@@ -211,10 +211,9 @@ namespace Tizen.NUI
 
         private static object ObjectVector4ToFloat(object value)
         {
-            Type type = value.GetType();
-            if (type.Equals(typeof(Vector4)))
+            if (value is Vector4 vector)
             {
-                return ((Vector4)value).X;
+                return vector.X;
             }
 
             return value;