Merge branch 'gda-8.40' of ssh://dasc-git.diamond.ac.uk/gda/gda-epics into gda-8.40
Merge branch 'gda-8.40' of ssh://dasc-git.diamond.ac.uk/gda/gda-epics into gda-8.40
MXGDA-1841 make position value channel creation eager but opt-in