Modifications:
1. class BOPAlgo_WireSplitter
1.1. Removed static method RecomputeAngles(...).
1.2. Minor corrections.
2. class BOPTools_AlgoTools
2.1 method GetFaceOff
For definition of an angles between faces the same step in 3D space has been used for all faces in the list.
To define that step new static function MinStep3D has been implemented.
Added test case bugs/modalg_5/bug24879
Deleted unnecessary TODOs in test case bugs/modalg_2/bug497_3
