MAZ 504B-515B update 30.05.22 1.44

Updated for 1.44 patch.
- Includes updated openable window(only left window) from AJIEHA
- Fixed Side turn signals (was "black hole" there now they are as they should be)

Credits: Original authors: JAWA, Stas556, dmitry68, Mishanka,
Adaptation and support up to 1.26 _69_mf_.
Adaptation, alteration, corrections and additions(1.35-1.41 and 1.44): vasja555.
Recent Changes: MaxX_Agent 
Window animations: AJIEHA