fix(platform): confine staging names; private temp dirs for tests and macOS signing - #5923

fix(platform): confine staging names; private temp dirs for tests and macOS signing#5923

dylanmtaylor wants to merge 4 commits into

mainstorytold/pdfcraft:mainfrom

fix/sec-staging-name-and-tmpstorytold/pdfcraft:fix/sec-staging-name-and-tmpCopy head branch name to clipboard