The DisplayThumbnail metadata UProperty specifier does not work on TArrays with the type of FSoftObjectPath.
Tested in 4.21.2 (CL - 4753647), 4.22.3 (CL - 7053647), 4.23 (CL - 7224811), 4.24 (CL - 7225709)
Expected: The thumbnail for the array is hidden
Result: The thumbnail is still being shown
There's no existing public thread on this issue, so head over toAnswerHub just mention UE-76872 in the post.