Generated new code and added initial data handling

BlendFile/DNA/NodeKeyingScreenData.cs

@@ -19,6 +19,10 @@ namespace BlendFile.DNA {
         public char[] tracking_object = new System.Char[64];
         [DNAFieldAttribute(1, "float", "smoothness", 4)]
         public float smoothness;
+        public NodeKeyingScreenData() {
+            this.tracking_object = default;
+            this.smoothness = default;
+        }
         public NodeKeyingScreenData(char[] tracking_object, float smoothness) {
             this.tracking_object = tracking_object;
             this.smoothness = smoothness;