Disable tests on macOS until a solution can be found

The recent copyright update made them unusable.

Implementation of Voxels in Mantid as GridDetector

Fix bug with saving WISH data to Isaw format

Allow SANS systemtest to be run on Ubuntu

Le bail fit concepts

Added ability to read binary .stl files for mesh objects.

Mask zero counting detectors in DirectILLIntegrateVanadium

IDA fit browser not updating

These 3 tests run and segfault at the end but only on macOS. To avoid impacting other work
they are disabled on this platform until a proper fix can be found.

Fix memory leak in clone to numpy policy

Add suffix to Mantid shortcuts and package on Windows, remove mantidpython shortcut