FIX #9617 - Correct find local IP address when running on iOS device

Find your mac's IP Address in en1 (wireless) if it doesn't find it in en0 (wired/ethernet) when react native xcode's script runs on iOS device

packager/react-native-xcode.sh

@@ -75,6 +75,9 @@ if [[ "$CONFIGURATION" = "Debug" && "$PLATFORM_NAME" != "iphonesimulator" ]]; th
   PLISTBUDDY='/usr/libexec/PlistBuddy'
   PLIST=$TARGET_BUILD_DIR/$INFOPLIST_PATH
   IP=$(ipconfig getifaddr en0)
+  if [ -z "$IP" ]; then
+    IP=$(ipconfig getifaddr en1)
+  fi
   $PLISTBUDDY -c "Add NSAppTransportSecurity:NSExceptionDomains:localhost:NSTemporaryExceptionAllowsInsecureHTTPLoads bool true" "$PLIST"
   $PLISTBUDDY -c "Add NSAppTransportSecurity:NSExceptionDomains:$IP.xip.io:NSTemporaryExceptionAllowsInsecureHTTPLoads bool true" "$PLIST"
   echo "$IP.xip.io" > "$DEST/ip.txt"