2nd action click produces empty modal

 protected function getActions(): array
    {
        return [
            Action::make('Export to Excel')
                ->label('Export to Excel')
                ->icon('heroicon-o-document-arrow-down')
                ->action(function () {
                    return $this->exportToExcel();
                }),
            Action::make('Export to PDF')
                ->label('Export to PDF')
                ->icon('heroicon-o-document-arrow-down')
                ->action(function () {
                    return $this->saveAsPdf();
                }),
        ];
    }