fix: address review lint and test failure

Co-authored-by: Cursor <cursoragent@cursor.com>

Author: piotr-iohk

app/src/main/java/to/bitkit/usecases/DeriveBalanceStateUseCase.kt

@@ -109,10 +109,10 @@ class DeriveBalanceStateUseCase @Inject constructor(
         }
 
         for (transfer in orderPayments) {
-            val txTotalSats = transfer.txTotalSats?.takeIf { it > 0 }?.toULong() ?: continue
-            val preTransferOnchainSats = transfer.preTransferOnchainSats?.takeIf { it > 0 }?.toULong() ?: continue
+            val txTotalSats = transfer.txTotalSats?.takeIf { it > 0 }?.toULong()
+            val preTransferOnchainSats = transfer.preTransferOnchainSats?.takeIf { it > 0 }?.toULong()
 
-            if (currentOnchainSats >= preTransferOnchainSats) {
+            if (txTotalSats != null && preTransferOnchainSats != null && currentOnchainSats >= preTransferOnchainSats) {
                 amount = amount.safe() + txTotalSats.safe()
             }
         }

app/src/test/java/to/bitkit/viewmodels/TransferViewModelTest.kt

@@ -241,6 +241,8 @@ class TransferViewModelTest : BaseUnitTest() {
             eq(TXID),
             eq(order.id),
             isNull<UInt>(),
+            isNull<Long>(),
+            isNull<Long>(),
         )
         verify(transferRepo).createPendingToSpendingActivity(
             eq(order),