Merge pull request #2005 from Selciner-Games/master

PropertyInfo: Only include 'usage' in Dictionary conversion when explicitly set

Author: dsnopek

include/godot_cpp/core/property_info.hpp

@@ -78,7 +78,9 @@ 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;
 	}