MXSUP-1715: First attepmt to read flux and beamsize by default from ISPyB
Merge branch 'master' into mxsup-1715
Fix for issue MXSUP-1715: by default read parameters from ISPyB
MXSUP-1715: fix for 0 flux in ISPyB
MXSUP-1715: Fix again for zero flux in ISPyB