fix: trafficLightPosition
incorrect with customButtonsOnHover
#48538
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Description of Change
Closes #48463.
Fixes an issue where
trafficLightPosition
would not be correctly applied when usingtitleBarStyle: 'customButtonsOnHover'
. On macOS 26, toggling the hidden state of the standard window buttons cancause AppKit to re-layout the title bar container and reset its frame, which loses the custom margin adjustments.
To fix this re-apply the calculated geometry after visibility changes to keep the buttons at the specified margin
instead of snapping back to the default until the next manual resize.
Checklist
npm test
passesRelease Notes
Notes: Fixed an issue where
trafficLightPosition
would not be correctly applied when usingtitleBarStyle: 'customButtonsOnHover'
on macOS 26.