{% for row in table.rows %}
    <tr{% if table.showRoute %} data-href="{{ path(table.showRoute, { id: row.data.id }) }}"{% endif %}>
        {% for column in row %}
            <td class="{{ column.column.tdClass }}"
                {% if table.sortable and column.column.sortableColumn and column.column.sortable %}
                    data-order="{{ column.getOrderValue(row) }}"
                {% endif %}
            >
                {{ column|raw }}
            </td>
        {% endfor %}
    </tr>
{% else %}
    <tr>
        <td
            colspan="{{ table.columns|length + 1 }}"
            class="text-center"
        >
            <em>Keine Resultate gefunden</em>
        </td>
    </tr>
{% endfor %}

{% for row in table.rows %}
    <tr{% if table.showRoute %} data-href="{{ path(table.showRoute, { id: row.data.id }) }}"{% endif %}>
        {% for column in row %}
            <td class="{{ column.column.tdClass }}"
                {% if table.sortable and column.column.sortableColumn and column.column.sortable %}
                    data-order="{{ column.getOrderValue(row) }}"
                {% endif %}
            >
                {{ column|raw }}
            </td>
        {% endfor %}
    </tr>
{% else %}
    <tr class="whatwedo_table_inner-no_results_row">
        <td
            colspan="{{ table.columns|length + 1 }}"
            class="text-center"
        >
            <em>Keine Resultate gefunden</em>
        </td>
    </tr>
{% endfor %}

Add class to tr if no results are found
Feat(): Add class to tr if no results are found
