feat(ui): let workflow dag and node info scroll independently

[tczhao]

let workflow dag and node info scroll independently
so that users don't need to scroll back and forth when trying to view details from different template

before:

after:

Signed-off-by: Tianchu Zhao [email protected]

Checklist:

• My organization is added to USERS.md.

[codecov]

Codecov Report

Merging #5603 (f193322) into master (7276bc3) will decrease coverage by 0.02%.
The diff coverage is n/a.

❗ Current head f193322 differs from pull request most recent head b7b7791. Consider uploading reports for the commit b7b7791 to get more accurate results

@@            Coverage Diff             @@
##           master    #5603      +/-   ##
==========================================
- Coverage   47.07%   47.05%   -0.02%     
==========================================
  Files         240      240              
  Lines       15005    15005              
==========================================
- Hits         7063     7060       -3     
- Misses       7044     7045       +1     
- Partials      898      900       +2     

Impacted Files	Coverage Δ
cmd/argoexec/commands/emissary.go	48.43% <0.00%> (-1.57%)	⬇️
workflow/controller/operator.go	70.73% <0.00%> (-0.28%)	⬇️
cmd/argo/commands/get.go	56.66% <0.00%> (+0.66%)	⬆️
workflow/metrics/server.go	16.66% <0.00%> (+4.16%)	⬆️

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