Add a dedicated action to open files (#22625)

Closes #22531
Closes #22250
Closes #15679

Release Notes:

- Add `workspace::OpenFiles` action to enable opening individual files
on Linux and Windows
bbb473b8dfCole Miller committed on 1/8/2025, 2:29:15 PM· committed by GitHubparent3630144
8 files changedLine totals unavailable