[BUG] AnimatePresence won't remove modal if a child animation has a defined exit or similar values

[iszard]

Setup a Modal within a component that is added to the DOM through a state value.

      <AnimatePresence exitBeforeEnter={true}>
        {isCreatingNewChallenge && <NewChallenge onDone={handleDone} />}
      </AnimatePresence>

The child with a staggered animation looks like.

            <motion.li
              variants={{
                hidden: { opacity: 0, scale: 0.5 },
                visible: { opacity: 1, scale: 1 },
              }}
              // initial={{ opacity: 0, scale: 0.5 }}
              // animate={{ opacity: 1, scale: 1 }}
              exit={{ opacity: 1, scale: 1 }}
              transition={{ type: "spring", stiffness: 260 }}
              key={image.alt}
              onClick={() => handleSelectImage(image)}
              className={selectedImage === image ? "selected" : undefined}
            >
              <img {...image} />
            </motion.li>

When I comment out the exit prop. The modal will close properly but with an added delay due to the child's exit animation. Looking to set the exit value to prevent a lengthy delay while waiting for this child animation to end.

The following sand box will show that you can open the modal by clicking the add challenge button. Then close or click outside the modal. The modal will animate out but will not be removed ie, backdrop will remain.

sandbox: https://codesandbox.io/p/sandbox/r4vftd