MODERN_DIAG_MANAGER: fix error when setting zbounds for more than one variable#1813

vithikashah001 merged 4 commits intoNOAA-GFDL:mainNOAA-GFDL/FMS:mainfrom

uramirez8707:multiple_zboundsuramirez8707/FMS:multiple_zboundsCopy head branch name to clipboard