MacOS Smoke Tests: Release 6.6

[sf1919]

We must test both the .dmg installer package and install direct from conda.

• To install via conda:
  • Use Intel Conda and make sure conda-forge is added to channels

    mamba create -n test_mantid_6.6
    mamba activate test_mantid_6.6
    mamba install -c mantid/label/rc1 mantidworkbench --yes
    workbench # to launch

Before testing:

• Check this main issue relates to the OS you will test on.
• Tick the box beside a testing issue listed below to mark you are testing this issue
• Enter the testing task issue and assign yourself as for a normal Github issue.

Afterwards:

• Comment on the testing issue with any issues you came across.
• If no major issues were found, please close the testing issue.

If you have any questions please contact the creator of this issue.

Tick below before testing the related issue

• [x] #35242

• [x] #35243

• [x] #35244

• [x] #35245

• [x] #35246

• [x] #35247

[DanielMurphy22]

All issues raised