fix: handle unnecessary invocation of handleSnapToIndex on onAnimate … #2073
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…recreation
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I create a ref which stores previous passed initial index and if useEffect is invoked again it checks whether the new _providedIndex actually does not equal to the old _providedIndex
Motivation
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#2043
When we pass a prop onAnimate to BottomSheet we will encounter a bug, where onAnimate's function recreation will cause a chain of dependency changes (onAnimate -> _providedOnAnimate -> handleOnAnimate -> animateToPosition -> handleSnapToIndex -> useEffect) which will cause our BottomSheet to snap back to the initial index (which is a wrong behaviour).