Merge pull request 'fix: refs #8010 footer class' (!857) from 8010-fix_vnTable_footer_class into test

Reviewed-on: verdnatura/salix-front#857
Reviewed-by: Pablo Natek <pablone@verdnatura.es>

src/components/VnTable/VnTable.vue

@@ -417,6 +417,7 @@ function handleScroll() {
                 ref="tableRef"
                 v-bind="table"
                 class="vnTable"
+                :class="{ 'last-row-sticky': $props.footer }"
                 :columns="splittedColumns.columns"
                 :rows="rows"
                 v-model:selected="selected"
@@ -855,6 +856,9 @@ es:
     table tbody th {
         position: relative;
     }
+}
+
+.last-row-sticky {
     tbody:nth-last-child(1) {
         @extend .bg-header;
         position: sticky;