fix(rumtime-core): custom dom props should be cloned when cloning a hoisted DOM (#3080)

fix #3072

packages/runtime-dom/__tests__/nodeOps.spec.ts

@@ -0,0 +1,12 @@
+import { nodeOps } from '../src/nodeOps'
+
+describe('nodeOps', () => {
+  test('the _value property should be cloned', () => {
+    const el = nodeOps.createElement('input') as HTMLDivElement & {
+      _value: any
+    }
+    el._value = 1
+    const cloned = nodeOps.cloneNode!(el) as HTMLDivElement & { _value: any }
+    expect(cloned._value).toBe(1)
+  })
+})