Minor graphical glitch can be seen momentarily when undoing and redoing Set Variable

A minor graphical glitch can be seen between the Event Begin Play and the Print string function when undoing and redoing the creation of a Set String

Note This also occurs when doing an undo and redo on a read variable too.

1. Open the editor
2. Create a Blueprint class - Select Actor for type
3. Open the Blueprint after creating it (Name not important, double click to o pen)
4. Click Event Graph
5. Create a New Variable (Name not important)
6. Convert it to a string by clicking on the variable and changing it's type to string.
7. Create a print string function by dragging out from Event Begin Play and search for Print String, hit enter
8. Press Alt and left click drag the String Variable into the blueprint
9. Press Ctrl+Z to undo the Set String creation
10. Notice flow wire momentarily appear in the incorrect place when pressing Undo
11. Press Undo and Redo (Ctrl+Y) to cause the issue to reoccur