feat(vue): experimental scope dispose

[Hebilicious]

This is a draft PR that attempts to move away from component life-cycle hooks in composables to effect scopes .

All tests are passing, with one caveat :

Now nextTick needs to be used when passing a callback to useActorRef that access state that is not initialized.

  const actor = useActorRef(machine, {}, (nextState) => {
    nextTick(() => {
      state.value = nextState.value;
    });
  });
  const state = ref(actor.getSnapshot().value);

I feel like this is fine because this is kind of an odd pattern anyways.
Using onMounted is more idiomatic to vue imo, and maybe we should change the test to :

const state = ref() //shallowRef would work too
const actor = useActorRef(machine, {}, (nextState) => {
    state.value = nextState.value;
});
onMounted(() => { state.value = actor.getSnapshot().value });

(Users should not be using useActorRef directly in most cases anyways, so its fine if the test doesn't use shallowRef)

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[Hebilicious]

@Andarist I've been testing this in production, it appears to be an improvement. Would you mind taking a look please?