Add logical to allow for the fixing the duplicate heterogeneous chemistry reactions in UKCA StratTrop and CRI-Strat2 schemes#433

Luke Abraham (theabro) wants to merge 8 commits intoMetOffice:mainMetOffice/lfric_apps:mainfrom

theabro:um14.1_hetchem_fixestheabro/lfric_apps:um14.1_hetchem_fixesCopy head branch name to clipboard