SetEditorProperty does not propagate changes to loaded children blueprints

Changes on the Blueprint Editor are immediately propagated to the child blueprints.

1. open and build attached project [Link Removed]on ue4.25
2. open /Game/BP_Base bluerprint asset
3. open /Game/BP_Base_Child blueprint asset
4. keep observing the Box Extent parameter in Box component.
5. Right click on the BP_Base in content browser, then click the scripted action > modify blueprint. This editor utility blueprint action calls SetEditorProperty to modify the Box Extent -> Z in the BP_Base.

See attached video for detail [Link Removed]

Result

The change will not be applied to the BoxExtent parameter in BP_Base_Child (child blueprint). It can get changes by reloading the asset.