updating common esphome sensors

finally fixing hvac-multisensor. All of this was caused by the display switch referenced the display while it wasn't plugged in. Updated code to check for the existence first.

esphome/common/wifi_no_power_save.yaml

@@ -1,9 +1,8 @@
 captive_portal:
 
 wifi:
-  networks:
-    - ssid: !secret Wifi_SSID
-      password: !secret Wifi_PWD
+  ssid: !secret Wifi_SSID
+  password: !secret Wifi_PWD
 
     #- ssid: !secret IoT_Wifi_SSID
     #  password: !secret IoT_Wifi_PWD
@@ -15,7 +14,8 @@ wifi:
 
   # Enable fallback hotspot (captive portal) in case wifi connection fails
   ap:
-    password: !secret EspHome_AP_PWD
+    ssid: "${friendly_name}"
+    password: !secret fallback_ap_password
 
   # Enable fast connect
   fast_connect: true