Zebra pattern in PluginList and Scrollable Dialog in Script Runner

[clayandgen]

closes #2983
closes #3147

• Resolved the Zebra stripe issue in PluginList (instead of converting to v-list like everything else, I added a CSS change)
• Resolved the Script Runner File Save Dialog (moved the buttons to outside of scrollable area and fixed scrolling issues)

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 78.24%. Comparing base (e31b7bc) to head (d7557ba).
⚠️ Report is 8 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3157      +/-   ##
==========================================
- Coverage   78.25%   78.24%   -0.02%     
==========================================
  Files         673      673              
  Lines       55239    55239              
  Branches      728      728              
==========================================
- Hits        43228    43222       -6     
- Misses      11933    11939       +6     
  Partials       78       78              

Flag	Coverage Δ
python	79.49% <ø> (+0.01%)	⬆️
ruby-api	83.25% <ø> (-0.24%)	⬇️
ruby-backend	81.37% <ø> (ø)

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[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud