Fix runnables-related hickups (#8058)

* never error on absent/empty runnables file
* always activate terminal tab on runnable (re)schedule

Release Notes:

- N/A

Kirill Bulatov committed 2y ago

48a6fb9e849ef1a4116df89d80dee160607f5000

Parent: e9f400a

Committed by GitHub <noreply@github.com> on 2/20/2024, 12:54:19 PM