fix(payment): update JSON serialization settings and enhance request data structure

- Changed PropertyNamingPolicy in TwentyCardPaymentService from SnakeCaseLower to CamelCase for improved consistency in JSON serialization.
- Added JsonPropertyName attributes for Authority and RedirectUrl properties in TwentyCardRequestData to ensure correct JSON mapping.

src/CMSMicroservice.Infrastructure/Services/Payment/TwentyCardPaymentService.cs

@@ -23,7 +23,7 @@ public class TwentyCardPaymentService : IPaymentGatewayService
 
     private static readonly JsonSerializerOptions JsonOptions = new()
     {
-        PropertyNamingPolicy = JsonNamingPolicy.SnakeCaseLower,
+        PropertyNamingPolicy = JsonNamingPolicy.CamelCase,
         PropertyNameCaseInsensitive = true,
         DefaultIgnoreCondition = JsonIgnoreCondition.WhenWritingNull
     };
@@ -281,7 +281,10 @@ public class TwentyCardPaymentService : IPaymentGatewayService
 
     private sealed class TwentyCardRequestData
     {
+        [JsonPropertyName("authority")]
         public string? Authority { get; set; }
+
+        [JsonPropertyName("redirectUrl")]
         public string? RedirectUrl { get; set; }
     }