fix(converter): handle absolute paths in header/footer relationship targets#1945

harbournick merged 1 commit intomainsuperdoc-dev/superdoc:mainfrom

tadeu/sd-1786-bug-image-in-header-does-not-render-until-resaving-documentsuperdoc-dev/superdoc:tadeu/sd-1786-bug-image-in-header-does-not-render-until-resaving-documentCopy head branch name to clipboard