Paying invoice via credit card

You cannot , so use the info and options provided or delist, its literally that clear cut.

You would not be the first to do so.

How To Pay Invoices using an Internaional Money Transfer service

 How can I change it to pay the way I always pay for other properties?

are you saying how can you change it  to how another company operates such as AirBNB? if yes then adjust and manage realistic expectations.

Reminder Partner Support will never see this.

Posting account or action requests here will result in nothing.

For when its urgent never post here go straight to phone method ,as per below.

 Message or Call BdC PartnerSupport ***

1. In the extranet, go to the ‘Inbox’ tab.
2. Select ‘Booking.com messages’.
3. Right Pane - Click on ‘See Contact Options’. 
4. Choose Account
5. Now choose Other
6. Then at bottom , See all contact options, and click Message or Call
7. As there is no one number for all partners, the number for your nearest BdC Partner Support is then revealed.

*** public main lines via Where you can reach us

Kind Regards