[CSCRIPT][WSCRIPT] Sync with Wine Staging 4.18. CORE-16441
[CSCRIPT][WSCRIPT] Sync with Wine Staging 3.17. CORE-15127
[CSCRIPT][WSCRIPT] Sync with Wine Staging 3.3. CORE-14434
Git conversion: Make reactos the root directory, move rosapps, rostests, wallpapers into modules, and delete rossubsys.