UI tweaks for HEPA and Office/Meeting
In https://gitlab.cern.ch/cara/cara/-/merge_requests/66#note_3936384, @andrejh requested a hard-coded HEPA value to be in the calculator, and for the Office activity to become Office/Meeting.
In https://gitlab.cern.ch/cara/cara/-/merge_requests/66#note_3936384, @andrejh requested a hard-coded HEPA value to be in the calculator, and for the Office activity to become Office/Meeting.