Invoice status sync from billing to registry failes

[vohmar]

Updating invoice status in registry after successful open banking or car payment fails to update invoice status in registry

error in logs: Can't verify CSRF token authenticity.

log: https://gist.github.com/ratM1n/f928957bce9241b5635536b00e1c8e95

[vohmar]

reproduceable on staging: current master deployed on all. Card and banklink payment from registrar portal results in paid invoice in billing but unpaid in both registrar and admin