Fix InfoPanel for offers - supplier name and map point

- Show supplier name with loading state instead of "View Supplier" link
- Fix offer coordinates on map (use locationLatitude/locationLongitude)

app/pages/catalog/index.vue

@@ -298,12 +298,15 @@ const relatedPoints = computed(() => {
   }> = []
 
   // Add current entity first (the one we're viewing in InfoPanel)
-  if (entity.value?.latitude && entity.value?.longitude) {
+  // For offers, coordinates are in locationLatitude/locationLongitude
+  const lat = entity.value?.latitude ?? entity.value?.locationLatitude
+  const lon = entity.value?.longitude ?? entity.value?.locationLongitude
+  if (lat && lon) {
     points.push({
       uuid: infoId.value.uuid,
-      name: entity.value.name || '',
-      latitude: Number(entity.value.latitude),
-      longitude: Number(entity.value.longitude),
+      name: entity.value.name || entity.value.productName || '',
+      latitude: Number(lat),
+      longitude: Number(lon),
       type: infoId.value.type
     })
   }