Init payment configuration to fix 3ds dialog crash on android when using stripe-android 16.10.0

[wijskinner]

Proposed changes

This fixes the crash described here:

#785 (comment)

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• [ x] Bugfix (a non-breaking change which fixes an issue)
• New feature (a non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality not to work as expected)

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Further comments

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[cybergrind]

@wijskinner super! thank you!