fix(until): cleanup at next tick to avoid memory leak (#4039)

Co-authored-by: Anthony Fu <github@antfu.me>
Co-authored-by: delaneyb <delaneyb@users.noreply.github.com>

Author: 3 people

packages/shared/until/index.ts

@@ -1,5 +1,5 @@
 import type { WatchOptions, WatchSource } from 'vue-demi'
-import { isRef, watch } from 'vue-demi'
+import { isRef, nextTick, watch } from 'vue-demi'
 import { toValue } from '../toValue'
 import type { ElementOf, MaybeRefOrGetter, ShallowUnwrapRef } from '../utils'
 import { promiseTimeout } from '../utils'
@@ -76,7 +76,10 @@ function createUntil<T>(r: any, isNot = false) {
         r,
         (v) => {
           if (condition(v) !== isNot) {
-            stop?.()
+            if (stop)
+              stop()
+            else
+              nextTick(() => stop?.())
             resolve(v)
           }
         },
@@ -111,7 +114,10 @@ function createUntil<T>(r: any, isNot = false) {
         [r, value],
         ([v1, v2]) => {
           if (isNot !== (v1 === v2)) {
-            stop?.()
+            if (stop)
+              stop()
+            else
+              nextTick(() => stop?.())
             resolve(v1)
           }
         },