Improve hide_zero option

[nicolargo]

After the implementation of #2929

Some improvement will be useful:

• Of course now that I see it I think hide_threshold_bytes also makes sense, so the tiny 14K writes don't show up. See Of course now that I see it I think hide_threshold_bytes also makes sense, so the tiny 14K writes don't show up.
• Also while I'm at it, a small delay before removing it from the list could make sense. Sort of debounce the removal so if activity drops for a few seconds then picks back up the entry doesn't phase in and out. See Also while I'm at it, a small delay before removing it from the list could make sense. Sort of debounce the removal so if activity drops for a few seconds then picks back up the entry doesn't phase in and out.

[github-actions]

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