restored some removed code and added some logigng based on pr feedback

app/src/full/java/org/fdroid/fdroid/nearby/WifiStateChangeService.java

@@ -169,6 +169,7 @@ public class WifiStateChangeService extends Worker {
                     if (wifiState == WifiManager.WIFI_STATE_ENABLED) {
                         Utils.debugLog(TAG, "wifi enabled, get network info");
                         wifiInfo = wifiManager.getConnectionInfo();
+                        FDroidApp.ipAddressString = formatIpAddress(wifiInfo.getIpAddress());
                         setSsid(wifiInfo);
                         DhcpInfo dhcpInfo = wifiManager.getDhcpInfo();
                         if (dhcpInfo != null) {