[Maps] Ensure the query-object is populated (#49917)

x-pack/legacy/plugins/maps/public/layers/util/is_refresh_only_query.js

@@ -7,6 +7,9 @@
 // Refresh only query is query where timestamps are different but query is the same.
 // Triggered by clicking "Refresh" button in QueryBar
 export function isRefreshOnlyQuery(prevQuery, newQuery) {
+  if (!prevQuery || !newQuery) {
+    return false;
+  }
   return prevQuery.queryLastTriggeredAt !== newQuery.queryLastTriggeredAt
     && prevQuery.language === newQuery.language
     && prevQuery.query === newQuery.query;