Experience loss when using other enemies to kill the target

Product: STAR WARS Jedi: Survivor
Platform:PC
Summarize your bug I died to the MOGU that is behind a wall of metal pieces that you use force pull to open. There were a group of roller droids by a cliff further down. So I decided to use them to dispatch the MOGU on the second chance encounter. So my experience went to one of the dead roller droids that killed him. And I couldn't pick up the experience from the spent droid.
How often does the bug occur? Every time (100%)
Steps: How can we find the bug ourselves? On the planet KOBOH, by the meditation point Fogged expanse. Passed the 1st MOGU that is patrolling a small area, you'll come to a point that you need to use force pull to remove a wall. There will be another MOGU right behind it. If you die to that MOGU. You wont be able to get your experience back if you use the roller droids on the second attempt.
What happens when the bug occurs? One of the spent roller droids you used to kill the MOGU will have the experience attached to them. But since they are dead you cant get the experience from them. I tried hitting them an even standing there on them like you would for getting your experience back during a boss fight. But there isn't a way to get it back at that point.
What do you expect to see? Another way to get your experience back when using a creative way to kill a beast. Especially when they put those droids there for a reason. And you'll likely not put the two together until you have to take on the MOGU on the second chance.

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Experience loss when using other enemies to kill the target