Changes to List all Templates

the code response's property type changed from integer to no type, and format from int32 to no format for status 500

added the new 500.00 enum value to the code response property for the response status 500

added the optional property error to the response with the 500 status

the code response's property type changed from no type to integer, and format from no format to int32 for status 500

removed the optional property error from the response with the 500 status

removed the 500.00 enum value from the code response property for the response status 500