fix(abc:sv): fix detail misalignment when content include block

[cipchk]

• close ng-alain 从 2.x 升级到 7.x 之后，sv-container 嵌套 ellipsis 使用时，显示错乱 ng-alain#1055

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-io]

Codecov Report

Merging #545 into master will not change coverage.
The diff coverage is n/a.

@@          Coverage Diff           @@
##           master    #545   +/-   ##
======================================
  Coverage    99.1%   99.1%           
======================================
  Files         260     260           
  Lines        6817    6817           
  Branches      689     689           
======================================
  Hits         6756    6756           
  Misses         31      31           
  Partials       30      30

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