fix(comp: overlay): first vnode is comment node

[threedayAAAAA]

fix: #1098

PR Checklist

Please check if your PR fulfills the following requirements:

• The commit message follows our guidelines
• Tests for the changes have been added/updated or not needed
• Docs and demo have been added/updated or not needed

What is the current behavior?

overlay 插槽中首个节点是注释节点时 组件不能正常渲染

What is the new behavior?

overlay 插槽中首个节点是注释节点时 组件可以正常渲染

Other information

[idux-bot]

This preview will be available after the AzureCI is passed.

[codecov]

Codecov Report

Merging #1116 (89029b7) into main (84e8e17) will increase coverage by 3.45%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main    #1116      +/-   ##
==========================================
+ Coverage   93.46%   96.92%   +3.45%     
==========================================
  Files         657      321     -336     
  Lines       65008    30625   -34383     
  Branches     7822     2807    -5015     
==========================================
- Hits        60760    29683   -31077     
+ Misses       4248      942    -3306     

Impacted Files	Coverage Δ
packages/cdk/utils/src/vNode.ts	95.74% <100.00%> (+0.04%)	⬆️
packages/cdk/forms/src/utils.ts	75.44% <0.00%> (-19.64%)	⬇️
packages/components/time-picker/src/utils.ts	37.14% <0.00%> (-15.24%)	⬇️
packages/components/utils/src/convertTarget.ts	85.71% <0.00%> (-14.29%)	⬇️
packages/cdk/click-outside/src/useClickOutside.ts	81.81% <0.00%> (-13.78%)	⬇️
packages/pro/transfer/src/utils.ts	85.71% <0.00%> (-12.57%)	⬇️
packages/cdk/utils/src/dom.ts	75.32% <0.00%> (-10.97%)	⬇️
packages/components/input/src/useInput.ts	92.19% <0.00%> (-7.81%)	⬇️
packages/cdk/scroll/src/utils.ts	79.60% <0.00%> (-4.17%)	⬇️
packages/components/slider/src/useSlider.ts	60.05% <0.00%> (-3.74%)	⬇️
... and 572 more

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[danranVm]

Suggested change

	const targetNodes = Array.isArray(nodes) ? nodes.filter(item => !isComment(item)) : nodes
	const targetNodes = Array.isArray(nodes) ? nodes.filter(item => !getChildren(item, maxDepth)) : nodes

这里同样需要过滤掉其他的节点。

[danranVm]

我先合并吧，这里我需要重构一下。