fix(forum:array): fix invalid minItems

[cipchk]

• close sf数组minItems ng-alain#2277

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?

[ ] 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
[ ] No

Other information

[ng-alain-bot]

Preview is ready!

[codecov]

Codecov Report

Merging #1511 (c2e0e12) into master (7af1397) will decrease coverage by 0.02%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master    #1511      +/-   ##
==========================================
- Coverage   95.62%   95.59%   -0.03%     
==========================================
  Files         269      269              
  Lines        8404     8408       +4     
  Branches     1627     1629       +2     
==========================================
+ Hits         8036     8038       +2     
- Misses        307      308       +1     
- Partials       61       62       +1     

Impacted Files	Coverage Δ
packages/form/src/widgets/array/array.widget.ts	100.00% <100.00%> (ø)
packages/theme/src/services/title/title.service.ts	97.14% <0.00%> (-2.86%)	⬇️

Help us with your feedback. Take ten seconds to tell us how you rate us. Have a feature suggestion? Share it here.