Gracefully end session for TUI

If your session ends while your away or not looking, your terminal session becomes stuck and you can't leave the TUI. It would be best if it would gracefully exit the TUI before ending the session if it's expired so that the user isn't stuck.

Related code block

snips.sh/internal/ssh/handler.go

Lines 98 to 101 in 6dc8f63

    
           case <-timer.C: 
        
           	log.Warn().Msg("max session duration reached") 
        
           	program.Quit() 
        
           	return

Reproduce:

Open new session
wait till max time till session expires
attempt to do a command or navigate tui

	case <-timer.C:
	log.Warn().Msg("max session duration reached")
	program.Quit()
	return