``ls``: Changed unwrap_or and ``or`` option handling to lazy evaluated ``unwrap_or_else`` and ``or_else``

[AnirbanHalder654322]

This would help us reduce a lstat() call on ls/colors.rs

[sylvestre]

Nice. How did you detect this?

[github-actions[bot]]

GNU testsuite comparison:

Skipping an intermittent issue tests/tail/inotify-dir-recreate (passes in this run but fails in the 'main' branch)

[AnirbanHalder654322]

Nice. How did you detect this?

Actually i worked on that part of the code in an old pr, few months back. So i remembered that it was using or instead of or_else there.

[github-actions[bot]]

GNU testsuite comparison:

Skipping an intermittent issue tests/tail/inotify-dir-recreate (passes in this run but fails in the 'main' branch)

[cakebaker]

Thanks!