pref: remove anonymous and ghost users from the userSelect

[LIlGG]

What type of PR is this?

/kind improvement
/area ui
/milsetone 2.20.x

What this PR does / why we need it:

在 userSelect 查询用户列表时，移除匿名与已删除用户这两个保留用户。

How to test it?

在文章设置，用户列表中不存在匿名与已删除用户即可。

Which issue(s) this PR fixes:

Fixes #6665

Does this PR introduce a user-facing change?

在用户选择组件中不再显示匿名与已删除用户。

[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 SonarCloud

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 57.88%. Comparing base (5b2bdfd) to head (47aeedb).
Report is 32 commits behind head on main.

Additional details and impacted files

@@             Coverage Diff              @@
##               main    #6781      +/-   ##
============================================
- Coverage     58.00%   57.88%   -0.13%     
- Complexity     3977     4016      +39     
============================================
  Files           696      709      +13     
  Lines         23517    23851     +334     
  Branches       1567     1574       +7     
============================================
+ Hits          13641    13806     +165     
- Misses         9255     9423     +168     
- Partials        621      622       +1     

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[ruibaby]

/lgtm

[guqing]

/approve

[f2c-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

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• ui/OWNERS [guqing]

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