Splunk responded to my case. They are aware of this issue and it is slated to be fixed in a future release of the app. They also confirmed the work around above is valid in the mean time.
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I apologize if my comment gets duplicated. I don't see my first attempted response though.
I had the same issue after updating this app to v5.0.1. I applied the suggested fix above and by all indications, it appears to have resolved the issue for me as well.
I've opened a case with Splunk to confirm this issue/resolution and request they fix it in a future revision.
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