Variables replaced with -1 after jumbling in details pane when one actor is selected and another blueprint compiled

Variables replaced with -1 after jumbling in details pane when one actor is selected and another blueprint compiled.

De-selecting Actor_1 sets variables back to correct value when selected again.

1. Download, unzip, open attached project
2. Open TestLevel
3. Open Actor_2
4. Select Actor_1 in level viewport (note values in Details Pane "Default" section)
5. Switch to Actor_2 blueprint window
6. Press Compile
7. Switch to level viewport, view details pane (note change to values)
8. use mousewheel to scroll down in details pane to hide any number of default variables (>0) from screen.
9. use mousewheel to scroll back up

Results

Variables in Default section that were off screen replaced with -1.

Expected

Variables are still present on screen and set to initial values.