nitpicker: update focus report after reconfig

A new configuration may implicitly change the domain color of the
currently focused session. We need to refresh the report to trigger an
update of the status bar.

repos/os/src/server/nitpicker/main.cc

@@ -1404,6 +1404,9 @@ void Nitpicker::Main::handle_config()
 
 	/* redraw */
 	user_state.update_all_views();
+
+	/* update focus report since the domain colors might have changed */
+	report_session(focus_reporter, user_state.Mode::focused_session(), user_active);
 }