Merge remote branch 'origin/feature/7675_splatterplot_plugin_factory_creation'
Merge remote-tracking branch 'origin/feature/7692_testhelpers_guidance'
Merge remote-tracking branch 'origin/feature/7699_fix_eqsans_preloaded'
Remove importing old API from PyChop

re #7702
Merge branch 'feature/7702_pychop_new_api' into develop