fix(core): avoid removing handle bounds on handle unmount (#1781)

* fix(core): avoid removing handle bounds on handle unmount

Signed-off-by: braks <78412429+bcakmakoglu@users.noreply.github.com>

* chore(changeset): add

Signed-off-by: braks <78412429+bcakmakoglu@users.noreply.github.com>

---------

Signed-off-by: braks <78412429+bcakmakoglu@users.noreply.github.com>

.changeset/plenty-rocks-impress.md

@@ -0,0 +1,5 @@
+---
+"@vue-flow/core": patch
+---
+
+Prevent removal of handle bounds when `<Handle>` is unmounted.

packages/core/src/components/Handle/Handle.vue

@@ -1,5 +1,5 @@
 <script lang="ts" setup>
-import { computed, onMounted, onUnmounted, ref, toRef } from 'vue'
+import { computed, onMounted, ref, toRef } from 'vue'
 import type { HandleProps } from '../../types'
 import { Position } from '../../types'
 import { useHandle, useNode, useVueFlow } from '../../composables'
@@ -136,14 +136,6 @@ onMounted(() => {
   node.handleBounds[type.value] = [...(node.handleBounds[type.value] ?? []), nextBounds]
 })
 
-onUnmounted(() => {
-  // clean up node internals
-  const handleBounds = node.handleBounds[type.value]
-  if (handleBounds) {
-    node.handleBounds[type.value] = handleBounds.filter((b) => b.id !== handleId)
-  }
-})
-
 function onPointerDown(event: MouseEvent | TouchEvent) {
   const isMouseTriggered = isMouseEvent(event)