Refresh of mail eventlog is also secondary only

dashboard/src/views/EmailEventlogView.vue

@@ -75,7 +75,7 @@ onMounted(async () => {
         <div>
           <TextInput :placeholder="$t('main.searchPlaceholder')" style="flex-grow: 1;" v-model="search"/>
           <MultiSelect v-model="types" :options="availableTypes" option-key="id" option-label="name" :selected-label="types.length ? $t('main.multiselect.selected', { n: types.length }) : $t('emails.typeFilterHeader')"/>
-          <Button tool @click="onRefresh()" :loading="refreshBusy" icon="fa-solid fa-sync-alt" />
+          <Button tool secondary @click="onRefresh()" :loading="refreshBusy" icon="fa-solid fa-sync-alt" />
           <Button tool secondary href="/logs.html?id=mail" target="_blank">{{ $t('main.action.logs') }}</Button>
         </div>
       </h2>