MdtSensitiveDetectorsR4 --- Fix BMG cut tubes
In the old implementation the tube extraction was ending up in non-existent BMG tubes and the correction mechanism was doomed from the beginning.
Tagging: @goblirsc
In the old implementation the tube extraction was ending up in non-existent BMG tubes and the correction mechanism was doomed from the beginning.
Tagging: @goblirsc