refactor: move biometric prompt trigger to UI

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

@@ -10,7 +10,6 @@ import com.bitcointxoko.gudariwallet.data.WalletRepository
 import kotlinx.coroutines.flow.SharedFlow
 import kotlinx.coroutines.flow.StateFlow
 import kotlinx.coroutines.launch
-import androidx.fragment.app.FragmentActivity
 import com.bitcointxoko.gudariwallet.data.BalancePrefsStore
 import com.bitcointxoko.gudariwallet.data.LightningAddressStore
 import com.bitcointxoko.gudariwallet.ui.balance.BalanceViewModel
@@ -103,12 +102,9 @@ class WalletViewModel(
     fun payLnurlInvoice(state: SendState.LnurlInvoiceReady, strings: SendStrings) =
         sendVm.payLnurlInvoice(state, strings)
 
-    fun requestPayment(
-        activity : FragmentActivity,
-        subtitle : String,
-        strings  : SendStrings,
-        pay      : () -> Unit,
-    ) = sendVm.requestPayment(activity, subtitle, strings, pay)
+    fun onAuthFailed(message: String, strings: SendStrings) {
+        sendVm.onAuthFailed(message, strings)
+    }
     fun resetSendState() = sendVm.resetSendState()
 
     val sendEvents: SharedFlow<SendEvent> = sendVm.events