Issue #2826728 by tim.clifford, tim.plunkett, Adita, lomasr, tkoleary,...

Issue #2826728 by tim.clifford, tim.plunkett, Adita, lomasr, tkoleary, boosmith, utkarsh_malviya, laxman.ghavte, dmezquia, Thew, shubhang, rosschive, larowlan: Block layout action removes instance, but contextual link deletes all instances