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Commit a3da4b8d5bd217c0262fd9361036877d155a300f changed updating of window monitors to always use take affect when it was done from a non-user operation. This could cause feed back loops when a non-user driven operation would trigger the changing of a monitor, which itself would trigger changing of the monitor again due to a window scale change. The reason for the change, was that when the window monitor changed due to a hot plug, if it didn't actually change, eventually the window monitor pointer would be pointing to freed memory. Instead of force updating the monitor on all non-user operations, just do it on hot plugs. This allows for the feedback loop preventing logic to still do what its supposed to do, without risking dangling pointers on hot plugs. Related: https://gitlab.gnome.org/GNOME/mutter/issues/189 Closes: https://gitlab.gnome.org/GNOME/mutter/issues/192 (cherry picked from commit 8d3e053059cd202e740076caedfc8e3ac149066a)