Allow donations in Europe without a PayPal account

While preparing the donation campaign we realized that people need a PayPal account to donate to Zwiebefreunde, while they don’t need one to donate to RiseupLabs. We should fix that.

Attachments

Parent Task: #12035 (closed)

Related issues

Related to #9855 (closed)
Related to #11862 (closed)

Original created by @sajolida on 11868 (Redmine)

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