Oh, weird. I can't reproduce it anymore today. I've tested it again with a fresh profile. It's possible that this was caused by by prefs I had tested. I'm closing as INVALID, please update if that's not the correct resolution though.
Bug 1890835 Comment 2 Edit History
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Oh, weird. I can't reproduce it anymore today. I've tested it again with a fresh profile. It's possible that this was caused by some prefs I had tested. I'm closing as INVALID, please update if that's not the correct resolution though.