[ISSUE #11708]fix dark mode bugs

[985492783]

fix #11708
dark mode has some wrong color

1. fix scrollbar color
2. fix notice message box color
3. fix normal-button and pagination-button color
   
   

[codecov-commenter]

Codecov Report

Attention: 11 lines in your changes are missing coverage. Please review.

Comparison is base (9d473ef) 66.75% compared to head (049c15b) 67.82%.
Report is 5 commits behind head on develop.

Additional details and impacted files

@@              Coverage Diff              @@
##             develop   #11740      +/-   ##
=============================================
+ Coverage      66.75%   67.82%   +1.06%     
- Complexity      8815     8892      +77     
=============================================
  Files           1238     1237       -1     
  Lines          40545    40476      -69     
  Branches        4298     4291       -7     
=============================================
+ Hits           27066    27452     +386     
+ Misses         11524    11052     -472     
- Partials        1955     1972      +17     

Files	Coverage Δ
...alibaba/nacos/client/config/impl/ClientWorker.java	76.40% <100.00%> (+20.49%)	⬆️
...aming/push/v2/hook/NacosMonitorPushResultHook.java	64.70% <100.00%> (+2.20%)	⬆️
...nacos/plugin/config/ConfigChangePluginManager.java	70.21% <73.33%> (-5.40%)	⬇️
...nacos/config/server/aspect/ConfigChangeAspect.java	84.56% <79.41%> (+4.68%)	⬆️

... and 41 files with indirect coverage changes

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