Switching between tabs could cause windows resize shaking on the second monitor

[keefo]

I was able to reproduce this issue many times on my second monitor.
However, I was not able to reproduce on my main monitor(the docker monitor)

If I switch my docker to the second monitor to make it become the main monitor, then the problem can be reproduced on the old main monitor(now it become new secondary monitor)

Check is gif animation:

My iMac main monitor is 5k (retina). My secondary monitor is Apple cinema display which is 2560x1440 (non-retina)

macOS 10.14

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[DivineDominion]

@keefo can you try with the current code from master? Its more resilient animations should cover this, too

[keefo]

@DivineDominion
I just did a new test on master d9ad07c, the same problem.

[zcohan]

I'm also seeing this issue, on my iMac's primary monitor. Sometimes during the transition the window shrinks slightly creating an unpleasant jumping effect. Running fe835d3 with the example target with no modifications.

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