Hello Sonia,
As far as I know, the VAT applied does not depend only on the payout method that you have, but on various factors of your personal data on your account.
The determination of Airbnb of what country the VAT is applied for depends on available information on your account. This can be your phone number, your IP address, your Government ID, your payout mehtod and if you have a possible verified VAT ID.
If Airbnb states that they calculate the VAT according to Sweden, than the information on your account has one or more of the before mentioned factors in Sweden.
If you believe that the VAT is being paid according to the wrong country of residence, best you give them a call so they can study the possibility to change this.