User defined struct pins shows display a string of letters & numbers when switching Editor language

Editor language switch can turn struct get/set nodes pins(split) to display extra string of letters & numbers after their original name.

1. Create a user defined struct and add some members
2. In level blueprint, add a variable of the struct
3. Create a get node and a set node for the struct
4. Split the pin
5. Compile the level blueprint
5. Change the editor language
6. Now the pins have a string of letters & numbers after their original name