Placed AnimGetter nodes don't update their name even though their reference is renamed

Some animation node such as State Weight and Get Relevant Anim Time Remaining contains state name within in parentheses. But already-placed node does not update their name even thought the reference state is renamed.

The nodes having this issue come from UFUNCTION with AnimGetter meta = true. When a state is renamed, the corresponding node name in Menu is updated but the already-placed node aren't.

/** Get the blend weight of a specified state */
UFUNCTION(BlueprintPure, Category="Animation|State Machines", meta = (DisplayName="State Weight", BlueprintInternalUseOnly = "true", AnimGetter="true", BlueprintThreadSafe))
ENGINE_API float GetInstanceStateWeight(int32 MachineIndex, int32 StateIndex);

1. Create a project with the 3rd person template
2. Open ABP_Manny
3. Go to AnimGraph > Main States > Locomotion (state)
4. Place State Weight (Locomotion)
5. Up to Main State and rename Locomotion state to Locomotion_Renamed
6. Down to Locomotion state

Expected Result: "State Weight (Locomotion)" node has been renamed to "State Weight (Locomotion_Renamed)"
Actual Result: The node keeps old name, including old state name. Also, you can place a State Weight node with the new name.

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