refactor: remove BalanceViewModel dependency

app/src/main/java/com/bitcointxoko/gudariwallet/ui/WalletViewModelFactory.kt

@@ -45,7 +45,6 @@ class WalletViewModelFactory(private val app: Application) : ViewModelProvider.F
             repo = repo,
             aliasRepo = aliasRepo,
             lnurlCache = lnurlCache,
-            balanceVm = balanceVm,
             scanner = lnurlScanner,
             payer   = lnurlPayer,
             poller     = poller,

app/src/main/java/com/bitcointxoko/gudariwallet/ui/send/SendScreen.kt

@@ -76,6 +76,8 @@ fun SendScreen(
             when (event) {
                 is SendEvent.WithdrawScanned ->
                     vm.handleWithdrawScanned(event.raw, event.lnurl)
+                is SendEvent.PaymentCompleted ->
+                    vm.refreshBalance()
             }
         }
     }

app/src/main/java/com/bitcointxoko/gudariwallet/ui/send/SendViewModel.kt

@@ -11,7 +11,6 @@ import com.bitcointxoko.gudariwallet.data.LnurlCacheRepository
 import com.bitcointxoko.gudariwallet.data.NodeAliasRepository
 import com.bitcointxoko.gudariwallet.data.WalletRepository
 import com.bitcointxoko.gudariwallet.ui.SendState
-import com.bitcointxoko.gudariwallet.ui.balance.BalanceViewModel
 import com.bitcointxoko.gudariwallet.util.BiometricHelper
 import com.bitcointxoko.gudariwallet.util.Bip21Parser
 import com.bitcointxoko.gudariwallet.util.LnurlMetadataParser
@@ -34,6 +33,7 @@ sealed class SendEvent {
         val raw   : LnurlScanResponse,
         val lnurl : String,
     ) : SendEvent()
+    object PaymentCompleted : SendEvent()
 }
 
 // ── String bundle injected at the call site ───────────────────────────────────
@@ -61,7 +61,6 @@ class SendViewModel(
     private val repo       : WalletRepository,
     private val aliasRepo  : NodeAliasRepository,
     private val lnurlCache : LnurlCacheRepository,
-    private val balanceVm  : BalanceViewModel,
     private val scanner    : LnurlScanner,
     private val payer      : LnurlPayer,
     private val poller     : PaymentPoller,
@@ -176,7 +175,7 @@ class SendViewModel(
             paymentHash   = paymentHash,
             pendingRecord = PaymentRecord.fromPayment(paymentHash, amountSats, feeSats, bolt11, memo, pubkey, alias)
         )
-        balanceVm.refreshBalance()
+        _events.tryEmit(SendEvent.PaymentCompleted)
     }