api: Fix list templates when no secondary stores present (#5468)

Author: Pearl1594

engine/storage/src/main/java/org/apache/cloudstack/storage/image/db/TemplateDataStoreDaoImpl.java

@@ -427,7 +427,9 @@ public List<TemplateDataStoreVO> listByTemplateNotBypassed(long templateId, Long
         sc.setParameters("template_id", templateId);
         sc.setParameters("download_state", Status.BYPASSED);
         sc.setParameters("destroyed", false);
-        sc.setParameters("storeids", storeIds);
+        if (storeIds != null && storeIds.length > 0) {
+            sc.setParameters("storeids", storeIds);
+        }
         return search(sc, null);
     }