fix arduino uno r4 scan

Author: fabik111

examples/provisioning/provisioning.ino

@@ -109,10 +109,6 @@ void setup() {
   }
 
   uhwid = GetUHWID();
-  // Need for restoring the scan after got UHWID
-#if defined(ARDUINO_UNOR4_WIFI)
-  WiFi.end();
-#endif
 
 #if defined(ARDUINO_SAMD_MKRWIFI1010) || defined(ARDUINO_SAMD_NANO_33_IOT) || defined(ARDUINO_PORTENTA_H7_M7)
   pinMode(RESETCRED_BUTTON, INPUT_PULLDOWN);

src/NetworkConfigurator.cpp

@@ -253,6 +253,10 @@ bool NetworkConfiguratorClass::insertWiFiAP(WiFiOption &wifiOptObj, char *ssid,
 
 bool NetworkConfiguratorClass::scanWiFiNetworks(WiFiOption &wifiOptObj) {
   wifiOptObj.numDiscoveredWiFiNetworks = 0;
+#if defined(ARDUINO_UNOR4_WIFI)
+  WiFi.end();
+#endif
+
   // check for the WiFi module:
   if (WiFi.status() == WL_NO_MODULE) {
     DEBUG_WARNING("NetworkConfiguratorClass::%s Communication with WiFi module failed!", __FUNCTION__);