Created attachment 148865 [details]
original sub-folders with nanosecond precision and copied sub-folders with nanosecond precision lost

STEPS TO REPRODUCE
1. Within dolphin file manager select the folder to copy (the folder name in my case is 'which' - it is a folder used for 'Which?magazine' ralated data and has sub-folders within it and sub-folders and files within those sub-folders) 
2. Ctrl-C to copy the folder named 'which'
3. navigate to the folder where the folder (and sub-folder's and files need to be copied to)
4. Ctrl-v to paste
5. after copying is done, open a terminal window and issue command: 
ls -la --time-style=full-iso

OBSERVED RESULT

The output in terminal window:

[redacted@redacted 211123]$ ls -la --time-style=full-iso
total 24
drwxr-xr-x 6 [redacted] [redacted] 4096 2022-03-22 22:43:57.000000000 +0700 .
drwxr-xr-x 4 [redacted] [redacted] 4096 2022-03-22 22:43:32.000000000 +0700 ..
drwxr-xr-x 2 [redacted] [redacted] 4096 2022-03-22 22:44:21.000000000 +0700 cancellation
drwxr-xr-x 2 [redacted] [redacted] 4096 2021-12-02 15:28:02.000000000 +0700 join
drwxr-xr-x 3 [redacted] [redacted] 4096 2022-03-22 22:44:21.000000000 +0700 reviews
drwxr-xr-x 2 [redacted] [redacted] 4096 2022-03-22 22:44:21.000000000 +0700 terms
[redacted@redacted 211123]$ 

EXPECTED RESULT

[redacted@redacted 211123]$ ls -la --time-style=full-iso
total 28
drwxr-xr-x 1 root root 4096 2022-03-22 22:43:57.546506217 +0700 .
drwxr-xr-x 1 root root 4096 2022-03-22 22:43:32.156505366 +0700 ..
-rw------- 1 root root  192 2022-03-22 22:43:57.545506217 +0700 .directory
drwxr-xr-x 1 root root 4096 2022-03-22 22:44:21.119507007 +0700 cancellation
drwxr-xr-x 1 root root 4096 2021-12-02 15:28:02.373914765 +0700 join
drwxr-xr-x 1 root root 4096 2022-03-22 22:44:21.116507007 +0700 reviews
drwxr-xr-x 1 root root 4096 2022-03-22 22:44:21.113507007 +0700 terms

SOFTWARE/OS VERSIONS
Windows: 
macOS: 
Linux/KDE Plasma: void linux 5.15.36_1/xfce 4.16
(available in About System)
KDE Plasma Version: 
KDE Frameworks Version: 
Qt Version: 

ADDITIONAL INFORMATION