fix(module:upload): previewing images should be cancellable when the component gets destroyed

[arturovt]

PR Checklist

• 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

[x] Bugfix

Does this PR introduce a breaking change?

[ ] Yes
[x] No

[zorro-bot]

This preview will be available after the AzureCI is passed.

[codecov]

Codecov Report

Merging #7067 (7f4e1aa) into master (d45f0ab) will decrease coverage by 0.00%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master    #7067      +/-   ##
==========================================
- Coverage   89.57%   89.56%   -0.01%     
==========================================
  Files         488      488              
  Lines       15821    15826       +5     
  Branches     2440     2440              
==========================================
+ Hits        14171    14175       +4     
  Misses       1009     1009              
- Partials      641      642       +1     

Impacted Files	Coverage Δ
components/upload/upload-list.component.ts	96.09% <100.00%> (+0.15%)	⬆️
components/time-picker/time-holder.ts	95.78% <0.00%> (-1.06%)	⬇️

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[cipchk]

LGTM