Use the .sds-sectionItem__aboveClickArea class on items in columns that need to be interacted with. This lets them "float" over the js-sectionItem__toggle trigger element that covers the entirety of the section item.
<div class="sds-box sds-sectionItem__detail">
<div class="sds-sectionItem__detailInner">
<div class="sds-sectionItem__innerCol -date">
<div class="sds-sectionItem__textMeta sds-textHelper">
{DD.MM.YYYY}
</div>
</div>
<div class="sds-sectionItem__innerCol -dot">
<div class="sds-sectionItem__dotWrapper">
<span class="sds-iconCircle -product -shopping" aria-hidden="true">
<span class="sds-icon sds-icon-shoppingbag"></span>
</span>
</div>
</div>
<div class="sds-sectionItem__innerCol -justifyEnd -grow">
<div class="sds-btnGroup sds-sectionItem__aboveClickArea">
<button type="button" class="sds-btn -iconBtn -btnSecondary" data-toggle="tooltip" data-placement="top" data-title="Imprimer">
<span class="sds-icon sds-icon-printer"></span>
</button>
<button type="button" class="sds-btn -iconBtn -btnSecondary" data-toggle="tooltip" data-placement="top" data-title="Exclure de l’analyse">
<span class="sds-icon sds-icon-hidden"></span>
</button>
<button type="button" class="sds-btn -iconBtn -btnSecondary" data-toggle="tooltip" data-placement="top" data-title="Signer">
<span class="sds-icon sds-icon-compose"></span>
</button>
</div>
</div>
<button class="sds-sectionItem__toggle js-sectionItem__detailToggle" type="button">
<span class="sr-only">Close detail</span>
</button>
</div>
<div class="sds-sectionItem__detailContent">
<div class="h3">Domiciliation relevé Post Telecom Test 1</div>
<table class="sds-infoTable table">
<tbody>
<tr>
<td class="">
<div class="sds-infoTable__cellContent">
<div class="sds-label">
{Label}
</div>
</div>
</td>
<td class="">
<div class="sds-infoTable__cellContent">
<div class="sds-amount -negative -amountXl">
<span class="sds-amount__value">{- #.###,##}</span>
<span class="sds-amount__currency">€</span>
</div>
</div>
</td>
</tr>
<tr>
<td class="">
<div class="sds-infoTable__cellContent">
<div class="sds-label">
{Label}
</div>
</div>
</td>
<td class="">
<div class="sds-infoTable__cellContent">
<div>
{item}
</div>
</div>
</td>
</tr>
<tr>
<td class="">
<div class="sds-infoTable__cellContent">
<div class="sds-label">
{Label}
</div>
</div>
</td>
<td class="">
<div class="sds-infoTable__cellContent">
<div>
{item}
</div>
</div>
</td>
</tr>
</tbody>
</table>
</div>
</div>
<div class="{{ namespace }}box {{ namespace }}sectionItem__detail">
<div class="{{ namespace }}sectionItem__detailInner">
<div class="{{ namespace }}sectionItem__innerCol -date">
<div class="{{ namespace }}sectionItem__textMeta {{ namespace }}textHelper">
{DD.MM.YYYY}
</div>
</div>
<div class="{{ namespace }}sectionItem__innerCol -dot">
<div class="{{ namespace }}sectionItem__dotWrapper">
{% if noCategory %}
{% render "@circle--default" %}
{% else %}
{% render "@icon-circle-mia"+product %}
{% endif %}
</div>
</div>
{% if noActions %}
{% else %}
<div class="{{ namespace }}sectionItem__innerCol -justifyEnd -grow">
<div class="{{ namespace }}btnGroup {{ namespace }}sectionItem__aboveClickArea">
{% render "@icon-btn-secondary",{
icon: "icon-printer",
attrs: {
"data-toggle": "tooltip",
"data-placement": "top",
"data-title": "Imprimer"
}
},true %}
{% render "@icon-btn-secondary",{
icon: "icon-hidden",
attrs: {
"data-toggle": "tooltip",
"data-placement": "top",
"data-title": "Exclure de l’analyse"
}
},true %}
{% render "@icon-btn-secondary",{
icon: "icon-compose",
attrs: {
"data-toggle": "tooltip",
"data-placement": "top",
"data-title": "Signer"
}
},true %}
</div>
</div>
{% endif %}
<button class="{{ namespace }}sectionItem__toggle js-sectionItem__detailToggle" type="button" {% for attrKey, attr in detailToggleOptions %} {{ attrKey }}="{{ attr }}"{% endfor %}>
<span class="sr-only">Close detail</span>
</button>
</div>
<div class="{{ namespace }}sectionItem__detailContent">
{% if loading %}
{% for i in range(0,4) %}
{% render "@skeleton-unit" %}
{% endfor %}
{% else %}
<div class="h3">{{ communication }}</div>
{% render "@snet-info-table",infoTableOptions,true %}
{% endif %}
</div>
</div>