fix: (config) only respect the --command flag once (#2096)

We want to switch to the command specified by the flag, but only at startup.

Afterwards, we should be interactive and favor the user's command choices over the startup commandline switch.

internal/config/config.go

@@ -191,6 +191,10 @@ func (c *Config) ActiveView() string {
 	cmd := cl.View.Active
 	if c.K9s.manualCommand != nil && *c.K9s.manualCommand != "" {
 		cmd = *c.K9s.manualCommand
+		// We reset the manualCommand property because
+		// the command-line switch should only be considered once,
+		// on startup.
+		*c.K9s.manualCommand = ""
 	}
 
 	return cmd