Static Offset in IK Retargeter does not save position when restarting the editor

When editing an IK retargeter, a static offset's value will get reverted to zero when UE is restarted.

Tested in the following:

//UE5-Release-5.3-CL-27405482

//UE5/Release-5.2-CL-26001984

1. Create a new 3P template project
2. Add an IK Retargeter, and bind a Manny or UE4 Mannequin to it
3. Change the one of the static offset's value for an IK chain
4. Save and restart the editor.

Expected:
IK static offset remains altered

Result:

Pose Resets when editor is restarted

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