ls: Proper alignment for capabilities and ACLs notifications

[kimono-koans]

Fixes: #8792

[github-actions]

GNU testsuite comparison:

Skipping an intermittent issue tests/timeout/timeout (passes in this run but fails in the 'main' branch)

[codspeed-hq]

CodSpeed Performance Report

Merging #8793 will not alter performance

_{Comparing kimono-koans:proper_alignment (5208045) with main (2d718f2)}

Summary

✅ 127 untouched
⏩ 6 skipped¹

Footnotes

1. 6 benchmarks were skipped, so the baseline results were used instead. If they were deleted from the codebase, click here and archive them to remove them from the performance reports. ↩

[sylvestre]

Could you please add a test to make sure we don't regress? Thanks

[github-actions]

GNU testsuite comparison:

Skip an intermittent issue tests/tail/overlay-headers (fails in this run but passes in the 'main' branch)

[github-actions]

GNU testsuite comparison:

Skip an intermittent issue tests/tail/overlay-headers (fails in this run but passes in the 'main' branch)
Skipping an intermittent issue tests/misc/tee (passes in this run but fails in the 'main' branch)

[github-actions]

GNU testsuite comparison:

Skip an intermittent issue tests/tail/overlay-headers (fails in this run but passes in the 'main' branch)
Skipping an intermittent issue tests/misc/tee (passes in this run but fails in the 'main' branch)

[github-actions]

GNU testsuite comparison:

Skip an intermittent issue tests/tail/overlay-headers (fails in this run but passes in the 'main' branch)
Skipping an intermittent issue tests/misc/tee (passes in this run but fails in the 'main' branch)

[Ecordonnier]

This seems to work correctly:

with this PR:

ecordonnier@lj8k2dq3:~/dev/coreutils$ ./test_acl.sh 
+ rm -rf test_acl
+ mkdir test_acl
+ cd test_acl
+ touch file_no_acl
+ touch file_with_acl
+ setfacl -m u:nobody:r file_with_acl
+ ls -l
total 0
-rw-rw-r--  1 ecordonnier ecordonnier 0 Jan 14 11:54 file_no_acl
-rw-rw-r--+ 1 ecordonnier ecordonnier 0 Jan 14 11:54 file_with_acl
+ ../target/debug/ls -l
total 0
-rw-rw-r--  1 ecordonnier ecordonnier 0 Jan 14 11:54 file_no_acl
-rw-rw-r--+ 1 ecordonnier ecordonnier 0 Jan 14 11:54 file_with_acl

with main 22069bb (without this PR merged):

ecordonnier@lj8k2dq3:~/dev/coreutils$ ./test_acl.sh 
+ rm -rf test_acl
+ mkdir test_acl
+ cd test_acl
+ touch file_no_acl
+ touch file_with_acl
+ setfacl -m u:nobody:r file_with_acl
+ ls -l
total 0
-rw-rw-r--  1 ecordonnier ecordonnier 0 Jan 14 11:56 file_no_acl
-rw-rw-r--+ 1 ecordonnier ecordonnier 0 Jan 14 11:56 file_with_acl
+ ../target/debug/ls -l
total 0
-rw-rw-r-- 1 ecordonnier ecordonnier 0 Jan 14 11:56 file_no_acl
-rw-rw-r--+ 1 ecordonnier ecordonnier 0 Jan 14 11:56 file_with_acl