[PATCH v3 0/2] MR4676: server: Only update the global cursor if the pointer is inside the thread's windows.

[Rémi Bernon]

We are preferring the thread input cursor over the global desktop
cursor, but if the thread input has no cursor yet, for instance when
thread is attached to another thread without a message queue yet,
it will end up being invisible.

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=55961

--
  v3: server: Change desktop cursor only when inside the thread's windows.
      server: Introduce a new get_desktop_cursor_thread_input helper.
 
https://gitlab.winehq.org/wine/wine/-/merge_requests/4676