0.5.6 if we lose connection during initial radio download, fail gracefully

app/src/main/java/com/geeksville/mesh/service/MeshService.kt

@@ -970,6 +970,9 @@ class MeshService : Service(), Logging {
                     startConfig()
 
                 reportConnection()
+            } catch (ex: RadioNotConnectedException) {
+                // note: no need to call startDeviceSleep(), because this exception could only have reached us if it was already called
+                error("Lost connection to radio during init - waiting for reconnect")
             } catch (ex: RemoteException) {
                 // It seems that when the ESP32 goes offline it can briefly come back for a 100ms ish which
                 // causes the phone to try and reconnect.  If we fail downloading our initial radio state we don't want to