BRepBuilderAPI_Sewing should have get/set Context methods

CR24403 is ready for reviewing

I suggest method to get context should be called GetContext() and return const &

CR24403 OCCT branch is ready for reviewing

No remarks, please test

Dear Commenter 2,

Branch CR24403 (and products from GIT master) was compiled on Linux and Windows platforms and tested.
[revision removed]

Number of compiler warnings:

occt component :
Linux: 103 (103 on master)
Windows: 0 (0 on master)

products component :
Linux: 21 (21 on master)
Windows: 8 (8 on master)

Regressions/Differences:
No regressions/differences

Testing cases:
Not needed

Testing on Linux:
Total MEMORY difference: 359010368 / 358971772
Total CPU difference: 44030.87999999992 / 67597.01000000008

Testing on Windows:
Total MEMORY difference: 413299876 / 413232620
Total CPU difference: 32376.421875 / 30599.546875

There are not differences in images found by testdiff.