<script>
( function( $ ) {
    $( document ).ready( function() {
        var lang = $( 'html' ).attr( 'lang' );
        if ( lang === 'en-US' ) {
            $( '.et_pb_contact_field_options_wrapper .et_pb_contact_field_options_title' ).after( '<a href="link for EN lang">Text for en lang</a>' )
        }
        if ( lang === 'de-DE' ) {
            $( '.et_pb_contact_field_options_wrapper .et_pb_contact_field_options_title' ).after( '<a href="link for DE lang">Text for DE lang</a>' )
        }
        if ( lang === 'es-ES' ) {
            $( '.et_pb_contact_field_options_wrapper .et_pb_contact_field_options_title' ).after( '<a href="link for ES lang">Text for ES lang</a>' )
        }
        if ( lang === 'pl-PL' ) {
            $( '.et_pb_contact_field_options_wrapper .et_pb_contact_field_options_title' ).after( '<a href="link for PL lang">Text for PL lang</a>' )
        }
    } );
} )( jQuery )
</script>