WARNING SOMETHING HAS GONE WRONG / Dirty Window

reactos-bootcd-0.4.15-dev-4946-ge9a129c-x86-gcc-lin-dbg

Ticket to list systematic scenarii leading to 

(win32ss/user/ntuser/painting.c:1211) err: WARNING SOMETHING HAS GONE WRONG: Thread marked as containing dirty windows, but no dirty windows found! Counts 1

as discussed with katayama_hirofumi_mz in Mattermost, worth opening a Jira ticket for it.

Easy / almost systematic way to reproduce "(win32ss/user/ntuser/painting.c:1211) err: WARNING SOMETHING HAS GONE WRONG: Thread marked as containing dirty windows, but no dirty windows found! "

Open "search" window panel, searching for "e" in "C:\" 

Frequently occurs with a single click but try quickly click several times on Search / Cancel button and the errors occurs for sure