actually clean the nvs like jens suggested on the forum

Author: gluap

src/configServer.cpp

@@ -691,7 +691,10 @@ static void handleNotFound(HTTPRequest * req, HTTPResponse * res) {
 
 bool CreateWifiSoftAP() {
   bool softAccOK;
-  WiFi.disconnect();
+  // disconnect(bool wifioff = true, bool eraseap = true) 
+  // in the hopes of fixing an occasional issue when ap is not connectable any more after fw upgrade
+  // https://forum.openbikesensor.org/t/verbindung-zum-obs-wlan-schlaegt-fehl-falsches-passwort/2353/9
+  WiFi.disconnect(false, false); 
   log_i("Initialize SoftAP");
   String apName = OBS_ID;
   String APPassword = "12345678";