BUG: Stopwatch layer "Center Delimiter" option

in the Stopwatch layer, the “Center Delimiter” option can be activated only when there is only one delimiter “:”
the problem is that if I want to show a countdown in a HH:MM:SS format, then the option disappear.
the result is that each second passing, you will see some slight movement because the numbers are changing and there is no fixed delimiter.
this is subtle but also very unelegant.

Please fix this bug and include an option to have a “fixed” look for all the numbers and delimiters, regardless of how many delimiters are in the stopwatch time – so the position will never change!