Frontend.Maui: show navigation bar on SendPage

Just like it is on Xamarin.

Author: webwarrior-ws

src/GWallet.Frontend.XF/ReceivePage.xaml.fs

@@ -191,7 +191,7 @@ type ReceivePage(account: IAccount,
 
             newPage :> Page
 
-        FrontendHelpers.SwitchToNewPage self sendPage false
+        FrontendHelpers.SwitchToNewPage self sendPage true
 
     member __.OnCopyToClipboardClicked(_sender: Object, _args: EventArgs) =
         let copyToClipboardButton = base.FindByName<Button>("copyToClipboardButton")