refactor: data fetching of dashboard widgets

[ruibaby]

What type of PR is this?

/area console
/kind improvement
/milestone 2.12.x

What this PR does / why we need it:

重构 Console 仪表盘中小部件的数据获取方式。

Does this PR introduce a user-facing change?

重构 Console 仪表盘中小部件的数据获取方式。

[sonarqubecloud]

Quality Gate passed

Kudos, no new issues were introduced!

0 New issues
0 Security Hotspots
No data about Coverage
No data about Duplication

See analysis details on SonarCloud

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (a4e862c) 57.07% compared to head (1fedf16) 57.07%.

Additional details and impacted files

@@            Coverage Diff            @@
##               main    #5280   +/-   ##
=========================================
  Coverage     57.07%   57.07%           
  Complexity     3329     3329           
=========================================
  Files           587      587           
  Lines         18956    18956           
  Branches       1402     1402           
=========================================
  Hits          10820    10820           
  Misses         7558     7558           
  Partials        578      578           

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[JohnNiang]

/approve

[guqing]

/lgtm

[f2c-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: JohnNiang

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• console/OWNERS [JohnNiang]

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