Display alerts (#4170)

* Move static functions into Screen.h, show compass during calibration

* Move to _fontHeight macro to avoid collision

* Move some alert functions to new alert handler

* Catch missed reboot code

* ESP32 fixes

* Bump esp8266-oled-ssd1306

* Fixes for when a device has no screen

* Use new startAlert(char*) helper class

* Add EINK bits back to alert handling

* Add noop class for no-display devices

---------

Co-authored-by: Ben Meadors <benmmeadors@gmail.com>

platformio.ini

@@ -80,7 +80,7 @@ monitor_speed = 115200
 
 lib_deps =
   jgromes/RadioLib@~6.6.0
-  https://github.com/meshtastic/esp8266-oled-ssd1306.git#2b40affbe7f7dc63b6c00fa88e7e12ed1f8e1719 ; ESP8266_SSD1306
+  https://github.com/meshtastic/esp8266-oled-ssd1306.git#e16cee124fe26490cb14880c679321ad8ac89c95 ; ESP8266_SSD1306
   mathertel/OneButton@^2.5.0 ; OneButton library for non-blocking button debounce
   https://github.com/meshtastic/arduino-fsm.git#7db3702bf0cfe97b783d6c72595e3f38e0b19159
   https://github.com/meshtastic/TinyGPSPlus.git#71a82db35f3b973440044c476d4bcdc673b104f4
@@ -150,5 +150,4 @@ lib_deps =
   mprograms/QMC5883LCompass@^1.2.0
   
 
-  https://github.com/meshtastic/DFRobot_LarkWeatherStation#dee914270dc7cb3e43fbf034edd85a63a16a12ee
-
+  https://github.com/meshtastic/DFRobot_LarkWeatherStation#dee914270dc7cb3e43fbf034edd85a63a16a12ee