Apparently, there are other conditions that trigger the bug's behaviour. One might be that Mozilla Firefox has not been started before since the system booted since I'm unable to reproduce the bug if I simply close Mozilla Firefox and reload it a few seconds later.
Apparently, there are other conditions that trigger the bug's behaviour. One might be that Mozilla Firefox has not been started before since the system booted since I'm unable to reproduce the bug if I simply close Mozilla Firefox and reload it a few seconds later.