Application dialog procedures are called in UXTHEME_DefDlgProc(), then may be called again in
USER_DefDlgProcA/W(). Lotus Approach doesn't expect this and run into infinite recursion.

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=52586Signed-off-by: Zhiyi Zhang <zzhang@codeweavers.com>