dragEnd event not sent when single-clicking gutter #283
Description
Describe the bug
Package version: 4.0.0
When dragging the gutter, the events "dragStart/dragEnd" are working fine.
But when soley clicking the gutter, the dragStart event is fired, but the dragEnd event is not.
To Reproduce
Look at the small Stackblitz example (dragging not updating, but events fired as described)
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