Steps to Reproduce

1. visit IssueRichlet with 10.0.0.FL.20230220 (zul and stateless)
2. reload page for 4 times
3. dump heap with VisualVM, check DesktopImpl

Alternative Steps to reproduce

1. extract issue.zip
2. run gradle appRun
3. visit http://localhost:8080/shopping_cart_demo/issue
4. reload page for 4 times
5. dump heap with VisualVM, check DesktopImpl

Current Result

there are 5 DesktopImpl

Expected Result

1 desktop only

Debug Information

they are all held by SimpleDesktopCache