Beta fixes (#10728)

* Wipe message Store on factory reset

* Check for destination 0 in a new message, and convert to broadcast

* Make sure CHARGE_LED_state gets turned off, to avoid stuck LEDs

* Take the spiLock in MessageStore when clearing messages

* Trunk

* Add thinknode M5 voltage curve

* Fix the oops

src/MessageStore.cpp

@@ -354,6 +354,7 @@ void MessageStore::clearAllMessages()
     resetMessagePool();
 
 #ifdef FSCom
+    concurrency::LockGuard guard(spiLock);
     SafeFile f(filename.c_str(), false);
     uint8_t count = 0;
     f.write(&count, 1); // write "0 messages"