fix(module:date-picker): years contain disabled date cannot select

[wenqi73]

Fixes #5633

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: N/A

What is the new behavior?

Does this PR introduce a breaking change?

[ ] Yes
[x] No

Other information

[codecov]

Codecov Report

Merging #5804 into master will increase coverage by 0.02%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master    #5804      +/-   ##
==========================================
+ Coverage   90.00%   90.02%   +0.02%     
==========================================
  Files         463      463              
  Lines       13925    13941      +16     
  Branches     2202     2204       +2     
==========================================
+ Hits        12533    12551      +18     
+ Misses        859      855       -4     
- Partials      533      535       +2     

Impacted Files	Coverage Δ
components/date-picker/inner-popup.component.ts	86.95% <ø> (ø)
...omponents/date-picker/lib/month-table.component.ts	88.13% <100.00%> (+1.86%)	⬆️
components/date-picker/lib/year-table.component.ts	89.55% <100.00%> (+1.41%)	⬆️
components/core/util/text-measure.ts	89.56% <0.00%> (-1.74%)	⬇️
components/table/src/table-style.service.ts	94.82% <0.00%> (-1.73%)	⬇️
components/modal/modal-ref.ts	97.84% <0.00%> (ø)
components/table/src/table/tr-measure.component.ts	100.00% <0.00%> (+13.63%)	⬆️
components/table/src/table/tbody.component.ts	100.00% <0.00%> (+14.28%)	⬆️

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