Automatic upgrade of OCCT code by command "occt_upgrade . -nocdl":
- WOK-generated header files from inc and sources from drv are moved to src
- CDL files removed
- All packages are converted to nocdlpack
meshfromstl - display MeshVS_Mesh object in a way consistent with vdisplay command
meshdel - deleted, vremove to be used instead
meshshowall - set empty maps of hidden IDs instead of null handles
meshhidesel - initialize the maps of hidden IDs to avoid exception
meshmat - add optional transparency argument and enable transparency in the viewer if not yet done
meshvectors - command for testing VectorPrsBuilder added
MeshVS: DRAW commands improving
Updating test cases due to previous changes
Small bug in MeshVS_ElementalColorPrsBuilder fixed
vselmode fix
Small correction of test cases for issue CR24961