fix: Skip empty withParam tasks. Fixes #6834

[iven]

Signed-off-by: Iven Hsu ivenvd@gmail.com

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[codecov]

Codecov Report

Merging #6912 (4d33daf) into master (67fe87b) will decrease coverage by 0.02%.
The diff coverage is 0.00%.

❗ Current head 4d33daf differs from pull request most recent head 4050b08. Consider uploading reports for the commit 4050b08 to get more accurate results

@@            Coverage Diff             @@
##           master    #6912      +/-   ##
==========================================
- Coverage   48.54%   48.52%   -0.03%     
==========================================
  Files         265      265              
  Lines       19263    19263              
==========================================
- Hits         9352     9348       -4     
- Misses       8859     8863       +4     
  Partials     1052     1052              

Impacted Files	Coverage Δ
workflow/controller/dag.go	75.37% <0.00%> (-1.01%)	⬇️
cmd/argo/commands/server.go	29.92% <0.00%> (-1.51%)	⬇️
workflow/controller/controller.go	22.31% <0.00%> (-0.29%)	⬇️
workflow/controller/operator.go	71.21% <0.00%> (+0.12%)	⬆️

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[iven]

cc @sarabala1979 @whynowy

[sarabala1979]

@iven DCO please