mesh: fix a bug in generating ESP-SSID IE

1. wifi: if Wi-Fi is not scanning, ignore beacons from different channels.

components/esp32/lib

@@ -1 +1 @@
-Subproject commit 2f5fc77efd724c54d78deb8c38abd5b290111180
+Subproject commit 5b468952c7bad16e7fc5fd6f52c8e5b81f6662c6