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">
18/03/2022
</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="Exclure de l’analyse">
<span class="sds-icon sds-icon-hidden"></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">
Montant de la transaction
</div>
</div>
</td>
<td class="">
<div class="sds-infoTable__cellContent">
<div class="sds-amount -negative -amountXl">
<span class="sds-amount__value">-165</span>
<span class="sds-amount__currency">€</span>
</div>
</div>
</td>
</tr>
<tr>
<td class="">
<div class="sds-infoTable__cellContent">
<div class="sds-label">
Date de la transaction
</div>
</div>
</td>
<td class="">
<div class="sds-infoTable__cellContent">
<div>
30.09.2021
</div>
</div>
</td>
</tr>
<tr>
<td class="">
<div class="sds-infoTable__cellContent">
<div class="sds-label">
Montant
</div>
</div>
</td>
<td class="">
<div class="sds-infoTable__cellContent">
<div class="sds-amount -negative">
<span class="sds-amount__value">-165</span>
<span class="sds-amount__currency">€</span>
</div>
</div>
</td>
</tr>
<tr>
<td class="">
<div class="sds-infoTable__cellContent">
<div class="sds-label">
Pays
</div>
</div>
</td>
<td class="">
<div class="sds-infoTable__cellContent">
<div>
Luxembourg
</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">
18/03/2022
</div>
</div>
<div class="{{ namespace }}sectionItem__innerCol -dot">
<div class="{{ namespace }}sectionItem__dotWrapper">
{% render "@icon-circle-mia"+product %}
</div>
</div>
<div class="{{ namespace }}sectionItem__innerCol -justifyEnd -grow">
<div class="{{ namespace }}btnGroup {{ namespace }}sectionItem__aboveClickArea">
{% render "@icon-btn-secondary",{
icon: "icon-hidden",
attrs: {
"data-toggle": "tooltip",
"data-placement": "top",
"data-title": "Exclure de l’analyse"
}
},true %}
</div>
</div>
<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">
<div class="h3">{{ communication }}</div>
{% render "@snet-info-table",infotableOptions,true %}
</div>
</div>