Potential fix for code scanning alert no. 38: Identical operands

Co-authored-by: Copilot Autofix powered by AI <62310815+github-advanced-security[bot]@users.noreply.github.com>

Author: FabianWilms

personalization-webcomponents/src/ChecklistDetail.ce.vue

@@ -135,7 +135,7 @@ const closedCheckList = computed(() => {
 });
 
 const deletionDate = computed(() => {
-  if (checklist.value && checklist.value && checklist.value.lastUpdate) {
+  if (checklist.value && checklist.value.lastUpdate) {
     const date = new Date(checklist.value.lastUpdate);
     date.setFullYear(date.getFullYear() + 1);
     return date.toLocaleString("de-DE", {