Fix #14939: Failures to add suppressions are ignored in importCppcheckGuiProject#8757

ludviggunne merged 4 commits into

cppcheck-opensource:maincppcheck-opensource/cppcheck:mainfrom

ludviggunne:14936-import-ignored-duplicate-errorludviggunne/cppcheck:14936-import-ignored-duplicate-errorCopy head branch name to clipboard