[REQUEST] Enable Speed For while total is not None in TaskProgressColumn #3835

NOTE: If a feature could be implemented in a third-party library, then it is unlikely to be accepted as part of the core library.

NOTE: Feature requests will not be considered unless first approved in discussions (https://github.com/textualize/rich/discussions)

How would you improve Rich?

If we using TaskProgressColumn with total is not None progress, it will only render the percentages

What problem does it solve for you?

I used rich in a DL Training Script, I have to inherit TaskProgressColumn, change

if task.total is None and self.show_speed:
            return self.render_speed(task.finished_speed or task.speed)

to

if task.total is None or self.show_speed:
            return self.render_speed(task.finished_speed or task.speed)

to make the speed rendered

I think this and could be or