message: Fix autocomplete tab navigation (linux)
diff: @@ -46,6 +46,9 @@ bool AutocompleteComboBox::eventFilter(QObject *o, QEvent *e) {
  auto ke = reinterpret_cast<QKeyEvent*>(e);
  switch (ke->key()) {
  case Qt::Key_Tab:
  + cancelSelection();
  + focusNextChild();
  + break;
  case Qt::Key_Escape:
  cancelSelection();
  return true;
  