feat: timeline show method text on nodes

[lcottercertinia]

Is your feature request related to a problem?

I would like to be able to see the begging of the method text on each node it would help narrow down which call tree I am interesting in at a glance without having to hover around.

Describe the solution you'd like

I would like to show the start of the method text on the nodes on the timeline, truncate the end and add ...