feat: change the metrics to dashboard

[stu01509]

Please answer these questions before submitting a pull request

• Why submit this pull request?

• Bugfix

• New feature provided

• Improve performance

• Backport patches

• Related issues
  Fix improve Metrics module #1627

New feature or improvement

• Describe the details and related test reports.

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Please add the corresponding test cases if necessary.

Change the metrics to dashboard, and adjust the dashboard tip content.

[codecov-io]

Codecov Report

Merging #1641 (702b92c) into master (968c15f) will decrease coverage by 9.30%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #1641      +/-   ##
==========================================
- Coverage   71.18%   61.87%   -9.31%     
==========================================
  Files          47       47              
  Lines        3116     3116              
==========================================
- Hits         2218     1928     -290     
- Misses        654      876     +222     
- Partials      244      312      +68     

Flag	Coverage Δ
backend-e2e-test	61.87% <ø> (-0.04%)	⬇️
backend-e2e-test-ginkgo	47.81% <ø> (-0.23%)	⬇️
backend-unit-test	?

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

Impacted Files	Coverage Δ
api/internal/utils/runtime/runtime.go	0.00% <0.00%> (-64.29%)	⬇️
api/internal/core/store/validate_mock.go	0.00% <0.00%> (-50.00%)	⬇️
api/internal/filter/authentication.go	47.22% <0.00%> (-30.56%)	⬇️
api/internal/handler/service/service.go	62.60% <0.00%> (-29.57%)	⬇️
api/internal/core/store/store.go	58.43% <0.00%> (-29.52%)	⬇️
api/internal/filter/ip_filter.go	48.71% <0.00%> (-23.08%)	⬇️
api/internal/handler/global_rule/global_rule.go	64.51% <0.00%> (-19.36%)	⬇️
...pi/internal/handler/plugin_config/plugin_config.go	59.57% <0.00%> (-18.09%)	⬇️
api/internal/utils/json_patch.go	44.82% <0.00%> (-13.80%)	⬇️
api/internal/handler/upstream/upstream.go	77.14% <0.00%> (-13.58%)	⬇️
... and 13 more

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