fix: correctly available check rule names

[incendial]

What is the purpose of this pull request? (put an "X" next to an item)

• Documentation update
• Bug fix
• New rule
• Changes an existing rule
• Add autofixing to a rule
• Add a CLI option
• Add something to the core
• Other, please explain:

[sonarqubecloud]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

No Coverage information
No Duplication information

[github-actions]

Dart Code Metrics unused files report of dart_code_metrics. ✅

Summary

• Scanned package folders: bin, example, lib
• No unused files found! ✅

[github-actions]

Dart Code Metrics analyze report of dart_code_metrics. ✅

Summary

• Scanned folders: bin, example, lib, test

• Total scanned files: 516

• Total lines of source code: 9173

• Total classes: 390

• Average Cyclomatic Number per line of code: 0.36 / 2

• Average Source Lines of Code per method: 6

• Total tech debt: 1888.0 hours

• Found issues: 5 ⚠

[codecov]

Codecov Report

Merging #1068 (75cd84d) into master (b8285c7) will increase coverage by 0.00%.
The diff coverage is 100.00%.

❗ Current head 75cd84d differs from pull request most recent head 9957555. Consider uploading reports for the commit 9957555 to get more accurate results

@@           Coverage Diff           @@
##           master    #1068   +/-   ##
=======================================
  Coverage   84.73%   84.74%           
=======================================
  Files         327      327           
  Lines        7195     7196    +1     
=======================================
+ Hits         6097     6098    +1     
  Misses       1098     1098           

Impacted Files	Coverage Δ
...lint_analyzer/lint_analysis_options_validator.dart	55.31% <100.00%> (ø)
...c/analyzers/lint_analyzer/rules/rules_factory.dart	75.00% <100.00%> (+3.57%)	⬆️

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