compatibility issues with Microsoft Remote Desktop

[unstabler]

compatibility table

tested with

• Mac Studio (Mac13,1)
• xrdp#fafd7bf,
• forked librfxcodec

Platform	Tested	Note
Windows 7	？	not tested
Windows 10	◯
iOS	◯
Android	✘

possible causes

• incorrect implementation of XrdpUlalaca::createCopyRects() (maybe?) (https://github.com/team-unstablers/ulalaca-xrdp/blob/main/ulalaca.cpp#L299-L324)

• incorrect implementation of lib_mod_check_wait_objs()

• [?] RFX에서는 server_paint_rects()를 호출하기 전에 server_paint_rect()를 반드시 한번 호출해야 한다는 얘기를 어디서 본 것 같은데 기억이 안나.. (https://github.com/team-unstablers/ulalaca-xrdp/blob/main/ulalaca.cpp#L369-L387)