Improve css for tags column

[AllForNothing]

Fixes #16809

1. Improve CSS for tags column to enable resizing
   Signed-off-by: AllForNothing sshijun@vmware.com

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Issue being fixed

Fixes #(issue)

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[codecov]

Codecov Report

Merging #16811 (f2618d1) into main (584245e) will increase coverage by 0.02%.
The diff coverage is 0.00%.

@@            Coverage Diff             @@
##             main   #16811      +/-   ##
==========================================
+ Coverage   67.32%   67.35%   +0.02%     
==========================================
  Files         956      956              
  Lines       79275    79276       +1     
  Branches     2342     2343       +1     
==========================================
+ Hits        53375    53396      +21     
+ Misses      22295    22275      -20     
  Partials     3605     3605              

Flag	Coverage Δ
unittests	67.35% <0.00%> (+0.02%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
...t/artifact-list-tab/artifact-list-tab.component.ts	26.85% <0.00%> (-0.05%)	⬇️
src/common/rbac/system/namespace.go	33.33% <0.00%> (-11.12%)	⬇️
src/common/utils/passports.go	84.61% <0.00%> (-5.13%)	⬇️
src/controller/event/topic.go	10.81% <0.00%> (+9.00%)	⬆️
src/lib/cache/util.go	89.47% <0.00%> (+15.78%)	⬆️
src/controller/event/handler/auditlog/auditlog.go	56.52% <0.00%> (+47.82%)	⬆️

[wy65701436]

lgtm