Find icon outside of icon themes. The first found is returned.
assert(findNonThemedIcon("pidgin", ["test"], defaultIconExtensions) == buildPath("test", "pidgin.png")); assert(findNonThemedIcon("nonexistent", ["test"], defaultIconExtensions).empty);
lookupNonThemedIcon, icontheme.paths.baseIconDirs
See Implementation
Find icon outside of icon themes. The first found is returned.