fix: don't block navigation by ln fee estimation

Author: jvsena42

app/src/main/java/to/bitkit/viewmodels/AppViewModel.kt

@@ -1360,13 +1360,13 @@ class AppViewModel @Inject constructor(
             )
             if (quickPayHandled) return
 
-            refreshOnchainSendIfNeeded()
-            estimateLightningRoutingFeesIfNeeded()
             if (isMainScanner) {
                 showSheet(Sheet.Send(SendRoute.Confirm))
             } else {
                 setSendEffect(SendEffect.NavigateToConfirm)
             }
+            refreshOnchainSendIfNeeded()
+            estimateLightningRoutingFeesIfNeeded()
             return
         }