Fix #4718 do not resize on open and other zoom fixes#4766

lgritz merged 8 commits intoAcademySoftwareFoundation:mainAcademySoftwareFoundation/OpenImageIO:mainfrom

soswow:fix-4718-do-not-resize-on-open-and-other-zoom-fixessoswow/OpenImageIO:fix-4718-do-not-resize-on-open-and-other-zoom-fixesCopy head branch name to clipboard