Don't focus fields if coming from register page so that they can see toast.

src/App/Pages/LoginPage.cs

@@ -128,6 +128,8 @@ namespace Bit.App.Pages
             base.OnAppearing();
             MessagingCenter.Send(Application.Current, "ShowStatusBar", true);
 
+            if(string.IsNullOrWhiteSpace(_email))
+            {
                 if(!string.IsNullOrWhiteSpace(EmailCell.Entry.Text))
                 {
                     PasswordCell.Entry.Focus();
@@ -137,6 +139,7 @@ namespace Bit.App.Pages
                     EmailCell.Entry.Focus();
                 }
             }
+        }
 
         private async void Entry_Completed(object sender, EventArgs e)
         {