feat(comp:tree*): add draggableIcon prop

[liuzaijiang]

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?

What is the new behavior?

Other information

[idux-bot]

This preview will be available after the AzureCI is passed.

[codecov]

Codecov Report

Merging #948 (8078dd3) into main (c27831d) will increase coverage by 0.00%.
The diff coverage is 100.00%.

❗ Current head 8078dd3 differs from pull request most recent head f22b0aa. Consider uploading reports for the commit f22b0aa to get more accurate results

@@           Coverage Diff           @@
##             main     #948   +/-   ##
=======================================
  Coverage   92.76%   92.77%           
=======================================
  Files         692      692           
  Lines       67697    67787   +90     
  Branches     7920     7928    +8     
=======================================
+ Hits        62798    62888   +90     
  Misses       4899     4899           

Impacted Files	Coverage Δ
packages/components/config/src/defaultConfig.ts	100.00% <100.00%> (ø)
packages/components/config/src/types.ts	100.00% <100.00%> (ø)
packages/components/icon/src/dependencies.ts	99.01% <100.00%> (+0.01%)	⬆️
...ges/components/tree-select/src/content/Content.tsx	90.03% <100.00%> (+0.12%)	⬆️
packages/components/tree-select/src/types.ts	99.37% <100.00%> (+<0.01%)	⬆️
packages/components/tree/__tests__/tree.spec.ts	100.00% <100.00%> (ø)
packages/components/tree/src/Tree.tsx	98.04% <100.00%> (ø)
...ges/components/tree/src/composables/useDragDrop.ts	38.65% <100.00%> (+2.41%)	⬆️
packages/components/tree/src/node/TreeNode.tsx	85.95% <100.00%> (+0.74%)	⬆️
packages/components/tree/src/types.ts	99.48% <100.00%> (+<0.01%)	⬆️
... and 2 more

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update c27831d...f22b0aa. Read the comment docs.

[danranVm]

判断第一层，有没有children, 如果有，就需要 expanded-icon-noop 占位
判断是否开启 draggable， 如果开启，就需要 draggable-icon-noop 占位