fix(theme:table): fix table image spacing

[cipchk]

PR Checklist

Please check if your PR fulfills the following requirements:

• The commit message follows our guidelines: https://github.com/ng-alain/delon/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 #1629 (cea364d) into master (a171d50) will not change coverage.
The diff coverage is n/a.

❗ Current head cea364d differs from pull request most recent head fab9cfe. Consider uploading reports for the commit fab9cfe to get more accurate results

@@           Coverage Diff           @@
##           master    #1629   +/-   ##
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  Coverage   95.56%   95.56%           
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  Files         277      277           
  Lines        8604     8604           
  Branches     1681     1681           
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  Hits         8222     8222           
  Misses        317      317           
  Partials       65       65           

[ng-alain-bot]

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