PaymentCardTextField crash fix

[sccainsa]

Proposed changes

It address #796

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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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• I have added tests that prove my fix is useful or that my feature works
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[cybergrind]

@sccainsa thank you, you can check it in beta version 9.1.3