Fix esp32 platform bluedroid, should send indication instead of notif…

…ication. (#28923)

* Fix esp32 platform bluedroid implementation, should send indication instead of notification

* Add comments

* Restyled by clang-format

---------

Co-authored-by: Ryan Ma <ryan.ma@signify.com>

src/platform/ESP32/bluedroid/BLEManagerImpl.cpp

@@ -852,7 +852,9 @@ bool BLEManagerImpl::SendIndication(BLE_CONNECTION_OBJECT conId, const ChipBleUU
     ChipLogDetail(Ble, "Sending indication for CHIPoBLE TX characteristic (con %u, len %u)", conId, data->DataLength());
 #endif
 
-    err = MapBLEError(esp_ble_gatts_send_indicate(mAppIf, conId, mTXCharAttrHandle, data->DataLength(), data->Start(), false));
+    // Set param need_confirm as false will send notification, otherwise indication.
+    err = MapBLEError(
+        esp_ble_gatts_send_indicate(mAppIf, conId, mTXCharAttrHandle, data->DataLength(), data->Start(), true /* need_confirm */));
     if (err != CHIP_NO_ERROR)
     {
         ChipLogError(DeviceLayer, "esp_ble_gatts_send_indicate() failed: %s", ErrorStr(err));