TransitionablePortal: onClose is called even on button click when controlled #4056
Description
Bug Report
Steps
In this sandbox, click Open Portal, then click Close Portal. Check the console.
https://codesandbox.io/s/happy-drake-yly34?file=/example.js
Expected Result
One callback of onClose triggered
CB triggered: Button closed
Actual Result
Two callbacks of onClose triggered
CB triggered: Button closed
CB triggered: Portal closed
Version
"semantic-ui-react": "1.2.1"