While crosschecking across builds it appears that with nightly 78.0a1 (2020-05-10) the issue still reproduces. However as far as beta(77.0b3) the issue no longer persists and image is shared between callers.
Bug 1623863 Comment 19 Edit History
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While crosschecking across builds it appears that with nightly 78.0a1 (2020-05-10) the issue still manifests. However as far as beta(77.0b3) the issue no longer persists and image is shared between callers.