[Pay] Allow passing purchaseData with quotes

[0xFirekeeper]

GET -> POST on quotes

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PR-Codex overview

This PR primarily focuses on enhancing the Thirdweb payment types by adding a new property PurchaseData to several classes, which allows for additional data to be included in purchase transactions. It also improves the request handling in the GetBuyWithFiatQuote and GetBuyWithCryptoQuote methods.

Detailed summary

• Added PurchaseData property to:
  • Types.GetBuyWithCryptoStatus
  • Types.GetBuyWithFiatStatus
  • Types.GetBuyWithCryptoQuoteParams
  • Types.GetBuyWithFiatQuoteParams
• Updated GetBuyWithFiatQuote and GetBuyWithCryptoQuote methods to use POST requests instead of GET.
• Enhanced error handling to use response status code instead of getResponse.
• Reformatted conditionals in IsZkSync for better readability.

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