Adding new Task Notify index to all related trace points

As Task Notify has been changed to allow for multiple “slots” to be notified for each task, it could be quite useful to have the index passed along to all related trace points instead of just two of them.
Would make for better trace data.

I think there is a pull request somewhere for this? We should aim to get this done before the next version release.

I linked the Bug report and Pull Request in the post.