Pasting a component binding onto a Spawnable will not set up parenting correctly

It appears that for spawnable bindings, when adding a child binding through a copy/paste it is not added to the child bindings array on the spawnable, so when GetChildPossessables is called, there are no bindings to add to the returned array. This impacts automated animation export workflows where child component bindings are often needed in the export as well.

1. Download and open the attached project
2. Right click on the shot sequence and select Print Bindings from the scripted actions menu

RESULT:

Only one camera prints it's child bindings, even though both have child camera components. The child component that fails to print was added from a copy paste.

Actual repro for this after the fix is:

1. Create a spawnable camera 
2. Create another spawnable camera
3. Delete the second spawnable camera's camera component
4. Copy the camera component from the first spawnable camera, select the second spawnable camera and paste.
5. Run Scripted Actions->Print Bindings on that level sequence

EXPECTED: There should be two CHILD BINDING : Camera Component printed to screen

[UE-23848] Bug Status

Request a info about UE-127172 bug tracker

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