tree cd17858eb30b40d117d760c4e6f5c1818579f082
parent 46b6a1fb56400628dc978ddc2e26dcd24e72d490
author Steve Golton <stevegolton@google.com> 1731962654 +0000
committer Steve Golton <stevegolton@google.com> 1731962654 +0000

ui: Add cmds and hotkeys to navigate to prev & next track events

- Uses newly added `Dataset` so it works on most slice tracks that
  extend `BaseSliceTrack`.
- Commands:
  - 'Select next track event' (Hotkey: '.')
  - 'Select previous track event' (Hotkey: ',')

Change-Id: I8998264975f6b49435eb64013fb7bbac3e4c7e90