Confirm copy

app/src/main/java/eu/faircode/email/FragmentMessages.java

@@ -6251,6 +6251,10 @@ public class FragmentMessages extends FragmentBase implements SharedPreferences.
 
             @Override
             protected void onExecuted(Bundle args, ArrayList<MessageTarget> result) {
+                boolean copy = args.getBoolean("copy");
+                if (copy)
+                    ToastEx.makeText(getContext(), R.string.title_completed, Toast.LENGTH_SHORT).show();
+                else
                     moveAsk(result, false, !autoclose && onclose == null);
             }