fix(form:array): fix invalid ui in ui schema

[cipchk]

• close sf的array元素通过sf的ui设置grid无效 ng-alain#2429

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• 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

[ng-alain-bot]

Preview is ready!

[codecov]

Codecov Report

Merging #1657 (8d13ebf) into master (d80f8fb) will decrease coverage by 0.01%.
Report is 2 commits behind head on master.
The diff coverage is 100.00%.

❗ Current head 8d13ebf differs from pull request most recent head 3dfddaa. Consider uploading reports for the commit 3dfddaa to get more accurate results

@@            Coverage Diff             @@
##           master    #1657      +/-   ##
==========================================
- Coverage   95.57%   95.57%   -0.01%     
==========================================
  Files         281      281              
  Lines        8742     8741       -1     
  Branches     1646     1646              
==========================================
- Hits         8355     8354       -1     
  Misses        319      319              
  Partials       68       68              

Files	Coverage Δ
packages/form/src/sf.component.ts	96.57% <100.00%> (-0.02%)	⬇️