Describe the bug
Leaving non-background plugins with Ctrl+C kills k9s.

To Reproduce

1. Watch logs with stern plugin
2. Press Ctrl+C to exit logs
3. k9s is killed completely

Expected behavior
Only stern command should be exited (versions prior v0.19.3 works fine)

Versions (please complete the following information):

• OS: linux
• K9s: 0.19.3