Struct Ref pin in Set members in Struct node can be split

Attempting to restore the structure pins of a set members in structure node duplicate the structure input or member variables of the structure.

Regression (no) issue (does) occur in 4.11.2

1. Open Editor (any project)
2. Open blueprint (any)
3. In Event Graph>RMB>search "Set Linear Color"
4. Create "Set members in Linear Color struct"
5. RMB node>Restore all structure pins
6. RMB Struct Ref Pin -> Split Struct Pin

Results

Split Pins from Struct Ref remain while new matching pins are added.

Expected

Struct Ref pin should not be splittable on this node