1.6.1 - viewer - spotlight - scrolling filelist issues

[user0]

XnViewMP 1.6.1 64bit
Windows11 (22H2), display resolution 3840x2160, win scaling 150%

Viewer - spotlight
scrolling filelist issues, guess due to undo feature

to reproduce:
0. have at least 3 images in folder

test_img.zip

1. open any image in Viewer, eg 1st
2. open Spotlight panel (Image > Spotlight...)


issue A1
3. scroll one image forward
4. make selection
viewer will replace 2nd image with 1st one (image where spotlight panel has been opened),
however tab will show 2nd image name/miniature

issue A2
5. scroll one image back (to the 1st one)
viewer will show 1st image with no spotlight effect
6. scroll to 2nd image
viewer will show 1st image with spotlight effect

a.mp4

issue B
3. make selection
spotlight will be aplied
4. scroll at least 2 images forward
spotlight bar still visible
5. scroll back to original image
no added spotlight effect is visible on image until new selection is made

b.mp4

[xnview]

i'm not able to reproduce, tab's icon is good

[user0]

I added test files and video

[xnview]

Thanks to your detailed description I can reproduce the problem.