fix(module:tree-select): 修复节点为禁用状态时，back快捷键能删除bug

[EnochGao]

修复，当节点为禁用状态时，通过快捷键能删除禁用状态节点问题

[zorro-bot]

This preview will be available after the AzureCI is passed.

[codecov]

Codecov Report

Merging #8105 (59b6302) into master (a4b299e) will increase coverage by 0.00%.
The diff coverage is 100.00%.

❗ Current head 59b6302 differs from pull request most recent head 927bee9. Consider uploading reports for the commit 927bee9 to get more accurate results

@@           Coverage Diff           @@
##           master    #8105   +/-   ##
=======================================
  Coverage   91.67%   91.67%           
=======================================
  Files         518      518           
  Lines       17786    17788    +2     
  Branches     2719     2721    +2     
=======================================
+ Hits        16306    16308    +2     
  Misses       1179     1179           
  Partials      301      301           

Files	Coverage Δ
components/tree-select/tree-select.component.ts	91.38% <100.00%> (+0.06%)	⬆️

[EnochGao]

通过键盘back,10011 节点不应该被删除
bug demo

[HyperLife1119]

你可以将 commit message 修正为 fix(module:tree-select): ... 吗？