Refactor user batch enable/disable logic and update i18n

[ruibaby]

What type of PR is this?

/kind improvement
/area ui
/milestone 2.21.x

What this PR does / why we need it:

1. Refactor user batch enable/disable logic
2. Update i18n

Does this PR introduce a user-facing change?

None

[f2c-ci-robot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 59.66%. Comparing base (42c374d) to head (45b7298).
⚠️ Report is 113 commits behind head on main.

Additional details and impacted files

@@             Coverage Diff              @@
##               main    #7647      +/-   ##
============================================
+ Coverage     59.55%   59.66%   +0.10%     
+ Complexity     3812     3790      -22     
============================================
  Files           677      676       -1     
  Lines         23248    23112     -136     
  Branches       1500     1483      -17     
============================================
- Hits          13846    13789      -57     
+ Misses         8764     8688      -76     
+ Partials        638      635       -3     

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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