other: use slices.Contains to simplify code

[rustrover]

There is a new function added in the go1.21 standard library, which can make the code more concise and easy to read.

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 2 lines in your changes missing coverage. Please review.

Project coverage is 60.94%. Comparing base (abcc957) to head (8925aa5).
Report is 33 commits behind head on main.

Files with missing lines	Patch %	Lines
filters/event_system.go	0.00%	0 Missing and 2 partials ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #742      +/-   ##
==========================================
- Coverage   60.96%   60.94%   -0.02%     
==========================================
  Files          40       40              
  Lines        4411     4404       -7     
==========================================
- Hits         2689     2684       -5     
+ Misses       1494     1492       -2     
  Partials      228      228              

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[ptrus]

Looks good thanks! Please rebase on master and its good to merge!

[rustrover]

Looks good thanks! Please rebase on master and its good to merge!

Done. Please review again.

[ptrus]

Thanks!