Bug: Properly Handle encoded_data in PSync flow [v2]



PSync is failing for adyen with error: `validate_psync_reference_id failed`. We need to pass the `encoded_data` in payment_attempt
diff --git a/crates/router/src/core/payments/operations/payment_get.rs b/crates/router/src/core/payments/operations/payment_get.rs
index ebf8205ea9b..716030c8f43 100644
--- a/crates/router/src/core/payments/operations/payment_get.rs
+++ b/crates/router/src/core/payments/operations/payment_get.rs
@@ -177,7 +177,7 @@ impl<F: Send + Clone + Sync> GetTracker<F, PaymentStatusData<F>, PaymentsRetriev
             }
         })?;
 
-        let payment_attempt = db
+        let mut payment_attempt = db
             .find_payment_attempt_by_id(
                 key_manager_state,
                 merchant_context.get_merchant_key_store(),
@@ -188,6 +188,11 @@ impl<F: Send + Clone + Sync> GetTracker<F, PaymentStatusData<F>, PaymentsRetriev
             .change_context(errors::ApiErrorResponse::InternalServerError)
             .attach_printable("Could not find payment attempt given the attempt id")?;
 
+        payment_attempt.encoded_data = request
+            .param
+            .as_ref()
+            .map(|val| masking::Secret::new(val.clone()));
+
         let should_sync_with_connector =
             request.force_sync && payment_intent.status.should_force_sync_with_connector();
 

## Type of Change
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- [x] Bugfix
- [ ] New feature
- [ ] Enhancement
- [ ] Refactoring
- [ ] Dependency updates
- [ ] Documentation
- [ ] CI/CD

## Description
<!-- Describe your changes in detail -->
Add `encoded_data` from `PaymentsRetrieveRequest` in `payment_attempt` inside `get_trackers` for PSync

### Additional Changes

- [ ] This PR modifies the API contract
- [ ] This PR modifies the database schema
- [ ] This PR modifies application configuration/environment variables

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2. `crates/router/src/configs`
3. `loadtest/config`
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## Motivation and Context
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Why is this change required? What problem does it solve?
If it fixes an open issue, please link to the issue here.

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Closes #8176 

## How did you test it?
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Did you write an integration/unit/API test to verify the code changes?
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No visible changes in API response. Verified that payment status changes to `succeeded`.

## Checklist
<!-- Put an `x` in the boxes that apply -->

- [x] I formatted the code `cargo +nightly fmt --all`
- [x] I addressed lints thrown by `cargo clippy`
- [x] I reviewed the submitted code
- [ ] I added unit tests for my changes where possible


No visible changes in API response. Verified that payment status changes to `succeeded`.
