fix(connector): Fix Dwolla Error Handling (#10344)

Author: awasthi21

crates/hyperswitch_connectors/src/connectors/dwolla.rs

@@ -154,11 +154,10 @@ impl ConnectorCommon for Dwolla {
             code: response.code,
             message: response.message,
             reason: response
-                ._embedded
+                .embedded
                 .as_ref()
-                .and_then(|errors_vec| errors_vec.first())
-                .and_then(|details| details.errors.first())
-                .and_then(|err_detail| err_detail.message.clone()),
+                .and_then(|errors_vec| errors_vec.errors.first())
+                .and_then(|details| details.message.clone()),
             attempt_status: None,
             connector_transaction_id: None,
             network_advice_code: None,
@@ -466,11 +465,10 @@ impl ConnectorIntegration<PaymentMethodToken, PaymentMethodTokenizationData, Pay
                     code: response.code,
                     message: response.message,
                     reason: response
-                        ._embedded
+                        .embedded
                         .as_ref()
-                        .and_then(|errors_vec| errors_vec.first())
-                        .and_then(|details| details.errors.first())
-                        .and_then(|err_detail| err_detail.message.clone()),
+                        .and_then(|errors_vec| errors_vec.errors.first())
+                        .and_then(|details| details.message.clone()),
                     attempt_status: None,
                     connector_transaction_id: None,
                     network_advice_code: None,

crates/hyperswitch_connectors/src/connectors/dwolla/transformers.rs

@@ -486,7 +486,8 @@ impl From<DwollaPaymentStatus> for enums::RefundStatus {
 pub struct DwollaErrorResponse {
     pub code: String,
     pub message: String,
-    pub _embedded: Option<Vec<DwollaErrorDetails>>,
+    #[serde(rename = "_embedded")]
+    pub embedded: Option<DwollaErrorDetails>,
     pub reason: Option<String>,
 }