fix: Repair HDMI-CEC set up by 1.1.0/1.1.1

It only counts as on with the steam-launcher drop-in; installed without it,
the menu ticks it, so a normal run adds it.

lib/steam-machine.sh

@@ -351,7 +351,7 @@ kernel_overview() {
         fi
         echo -e "  ${running}${line}"
     done
-    cec_status && { echo; echo -e "    $(cec_overview)"; }
+    cec_installed && { echo; echo -e "    $(cec_overview)"; }
     if [[ "$leds" == true ]]; then
         local loaded="$miss" nodes
         lsmod | grep -q '^leds_valve' && loaded="$mark"