Improve Gift card error messages

[marcperez]

Summary

Handle more error types on the balance check step in the new Gift card flow.

Tested scenarios

• An error is shown when a gift card has no balance
• An error is shown when a gift card has balance in a different currency
• An error is shown when a gift card number can't be found

[sonarcloud]

Kudos, SonarCloud Quality Gate passed!

0 Bugs
0 Vulnerabilities (and 0 Security Hotspots to review)
0 Code Smells

No Coverage information
0.0% Duplication

[github-actions]

Size Change: +276 B (0%)

Total Size: 125 kB

Filename	Size	Change
packages/lib/dist/adyen.js	125 kB	+276 B (0%)

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