(improvement)(Demo) The demo opens data query permission to new user by default (#1197)

Co-authored-by: lxwcodemonkey

headless/api/src/main/java/com/tencent/supersonic/headless/api/pojo/response/DomainResp.java

@@ -29,6 +29,10 @@ public class DomainResp extends SchemaItem {
 
     private boolean hasModel;
 
+    public boolean openToAll() {
+        return isOpen != null && isOpen == 1;
+    }
+
     @Override
     public boolean equals(Object o) {
         if (o == null || getClass() != o.getClass()) {