How will the idea help your workflow?
Adding keyboard shortcuts for "Extending Previous Edit to Playhead" & "Extending Next Edit to Playhead" have changed my edit game in terms of speed. Would love to see this capability extended to Captions in the Caption Track.
Currently, they don't work even though the Caption Track is Targeted. Maybe a bug, but gonna request as a Feature I'd like to see implemented.
I do a lot of captioning so not having to toggle tools saves me a lot of time spent elsewhere.