region-panel: Reduce the width of popover
So that it fits into 360px. UI wise, the margin at end is almost always larger than start (due to text wraping). So reducing end margin may also let the popover content feel more center aligned.
So that it fits into 360px. UI wise, the margin at end is almost always larger than start (due to text wraping). So reducing end margin may also let the popover content feel more center aligned.