feat(abc:st): add onCell, support colSpan and rowSpan merging

[cipchk]

• close st 表格数据行相同合并 ng-alain#2404

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
[x] 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?

[x] Yes
[ ] No

Other information

[ng-alain-bot]

Preview is ready!

[codecov]

Codecov Report

Merging #1613 (8c8549b) into master (45863a1) will increase coverage by 0.00%.
The diff coverage is 100.00%.

❗ Current head 8c8549b differs from pull request most recent head f53db2e. Consider uploading reports for the commit f53db2e to get more accurate results

@@           Coverage Diff           @@
##           master    #1613   +/-   ##
=======================================
  Coverage   95.51%   95.52%           
=======================================
  Files         277      277           
  Lines        8525     8534    +9     
  Branches     1668     1674    +6     
=======================================
+ Hits         8143     8152    +9     
  Misses        317      317           
  Partials       65       65           

Impacted Files	Coverage Δ
packages/abc/st/st-data-source.ts	100.00% <100.00%> (ø)
packages/abc/st/st.component.ts	99.78% <100.00%> (+<0.01%)	⬆️