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)

Steps to Reproduce
  1. Download the attached project
  2. Create a Blueprint instance of the MyActor class in the C++ classes folder
  3. Open the Blueprint 


Expected: The thumbnail for the array is hidden

Result: The thumbnail is still being shown

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Affects Versions4.
Target Fix4.24
Fix Commit7259871
Main Commit8614014
Release Commit9552237
CreatedJul 8, 2019
ResolvedJul 15, 2019
UpdatedDec 3, 2019
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