fix(module:tree-view): node indent line without mark change check

[hsuanxyz]

fix #6714

PR Checklist

Please check if your PR fulfills the following requirements:

• The commit message follows our guidelines: https://github.com/NG-ZORRO/ng-zorro-antd/blob/master/CONTRIBUTING.md#commit
• Tests for the changes have been added (for bug fixes / features)
• Docs have been added / updated (for bug fixes / features)

PR Type

What kind of change does this PR introduce?

[x] Bugfix
[ ] Feature
[ ] Code style update (formatting, local variables)
[ ] Refactoring (no functional changes, no api changes)
[ ] Build related changes
[ ] CI related changes
[ ] Documentation content changes
[ ] Application (the showcase website) / infrastructure changes
[ ] Other... Please describe:

What is the current behavior?

Issue Number: #6714

What is the new behavior?

Does this PR introduce a breaking change?

[ ] Yes
[x] No

Other information

[codecov]

Codecov Report

Merging #6736 (7a3d0e2) into master (7199ad5) will increase coverage by 0.03%.
The diff coverage is n/a.

❗ Current head 7a3d0e2 differs from pull request most recent head 451b683. Consider uploading reports for the commit 451b683 to get more accurate results

@@            Coverage Diff             @@
##           master    #6736      +/-   ##
==========================================
+ Coverage   89.89%   89.93%   +0.03%     
==========================================
  Files         480      480              
  Lines       15371    15371              
  Branches     2491     2491              
==========================================
+ Hits        13818    13824       +6     
+ Misses        934      929       -5     
+ Partials      619      618       -1     

Impacted Files	Coverage Δ
components/core/util/text-measure.ts	91.30% <0.00%> (+1.73%)	⬆️
components/table/src/table-data.service.ts	84.61% <0.00%> (+6.15%)	⬆️

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