Go from STATE_NTPSERVER_SYNC to STATE_NTPSERVER_NO_SYNC

if rtcSyncd is false - i.e. the user has changed the time zone.
The firmware will stop responding to NTP requests until the RTC is synced again.

Author: PaulZC

Firmware/RTK_Everywhere/States.ino

@@ -591,7 +591,12 @@ void stateUpdate()
         break;
 
         case (STATE_NTPSERVER_SYNC): {
-            // Do nothing - display only
+            if (!rtcSyncd)
+            {
+                if (settings.debugNtp)
+                    systemPrintln("NTP Server RTC sync lost");
+                changeState(STATE_NTPSERVER_NO_SYNC);
+            }
         }
         break;