Update empty method guards to new style with regex (see PR).
Used clang-format 18.1.8.
New actions to validate code formatting is added.
Update .clang-format with disabling of include sorting.
It is temporary changes, then include will be sorted.
Apply formatting for /src and /tools folder.
The files with .hxx,.cxx,.lxx,.h,.pxx,.hpp,*.cpp extensions.
Extrema_GenExtPS now prefers resizing of Array2 tables instead of managing tables by extra handles.
Removed unsafe casts to Adaptor3d_SurfacePtr/Adaptor3d_CurvePtr in Extrema classes.
Removed unsafe casts to curve adaptors in Extrema_ExtCC, Extrema_ExtCC2d classes.
Extrema_GenExtPS, Extrema_GenExtSS, Extrema_ExtCS -
copies by value are now disallowed;
several unexpected places copying the object have been fixed.
IntTools_Context - maps of void* have been replaced by typed maps.
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