fix: use snapshotCreatedOn for timestamp

Author: henrychoy

src/frontend/src/dialogs/QueueDialog.vue

@@ -107,7 +107,7 @@
                     hour: 'numeric', 
                     minute: 'numeric', 
                     hour12: true 
-                  }).format(new Date(snapshot.createdOn))
+                  }).format(new Date(snapshot.snapshotCreatedOn))
                 }}
                 <q-chip
                   v-if="snapshot.latestSnapshot"