[Bug]: Cancelled TODOs should not be counted in task progress bar

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Bug Description

In a task with inline TODOs (- [ ]), the progress bar counts cancelled items as incomplete TODOs. They should not be counted in the denominator

Steps to Reproduce

1. Create a Tasknotes task
2. Set the status to in-progress
3. Add two TODO items, one completed with - [x] and one cancelled with - [-]
4. Notice the progress bar says 1/2 rather than 1/1

TaskNotes Debug Info

Affected Task Frontmatter

Relevant Bases File Content

Relevant Settings or Customizations

No response

Console Errors or Logs

Screenshots or Screen Recording