0029580: Regression: invalid result of BOP Fuse

Boolean Operation - avoid creation of INTERNAL solid from unclassified faces in Solid Builder algorithm.
Instead warn the user that some of the faces have been unclassified and not used for solids creation.

Adjustment of the test cases.
Test cases for the issue.

src/BOPAlgo/BOPAlgo_MakerVolume.cxx

@@ -254,7 +254,6 @@ void BOPAlgo_MakerVolume::BuildSolids(TopTools_ListOfShape& theLSR)
   //
   BOPAlgo_BuilderSolid aBS;
   //
-  aBS.SetSolid(mySBox);
   aBS.SetShapes(myFaces);
   aBS.SetRunParallel(myRunParallel);
   aBS.SetAvoidInternalShapes(myAvoidInternalShapes);
@@ -265,6 +264,8 @@ void BOPAlgo_MakerVolume::BuildSolids(TopTools_ListOfShape& theLSR)
     return;
   }
   //
+  myReport->Merge(aBS.GetReport());
+  //
   theLSR = aBS.Areas();
 }