fix(ui): various ui fixes

[iven]

Before(overlapping):

After:

Before(empty scrollbar):

After:

Before(overlapping):

After:

[codecov]

Codecov Report

Merging #5606 (300442f) into master (13fa652) will not change coverage.
The diff coverage is n/a.

❗ Current head 300442f differs from pull request most recent head ed142bc. Consider uploading reports for the commit ed142bc to get more accurate results

@@           Coverage Diff           @@
##           master    #5606   +/-   ##
=======================================
  Coverage   47.05%   47.05%           
=======================================
  Files         240      240           
  Lines       15030    15030           
=======================================
  Hits         7072     7072           
- Misses       7054     7057    +3     
+ Partials      904      901    -3     

Impacted Files	Coverage Δ
server/workflow/workflow_server.go	41.02% <0.00%> (-1.71%)	⬇️
cmd/argo/commands/get.go	55.66% <0.00%> (-0.65%)	⬇️
workflow/controller/operator.go	71.17% <0.00%> (+0.32%)	⬆️
workflow/metrics/server.go	16.66% <0.00%> (+4.16%)	⬆️

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 13fa652...ed142bc. Read the comment docs.

[simster7]

Thank you!

[alexec]

Backport?