Fixed PropertyInfo Default Usage From Dictionary

Author: TheAenema

include/godot_cpp/core/property_info.hpp

@@ -80,7 +80,9 @@ struct PropertyInfo {
 		dict["type"] = type;
 		dict["hint"] = hint;
 		dict["hint_string"] = hint_string;
-		dict["usage"] = usage;
+		if (usage != PROPERTY_USAGE_NONE) {
+			dict["usage"] = usage;
+		}
 		return dict;
 	}