test: use array_sort_by_multiple_keys() in AbstractGetFieldDataTest

[kenjis]

Description

• refactor test

Checklist:

• Securely signed commits
• [] Component(s) with PHPDoc blocks, only if necessary or adds value
• [] Unit testing, with >80% coverage
• [] User guide updated
• Conforms to style guide

[kenjis]

@datamweb Thank you for reviews!

[kenjis]

Run vendor/bin/rector process system --dry-run --no-progress-bar

Error: ] Could not process                                                      
         "/home/runner/work/CodeIgniter4/CodeIgniter4/vendor/rector/rector/vendo
         r/symplify/easy-parallel/src/ValueObject/ParallelProcess.php" file, due
         to:                                                                    
         "Child process timed out after 120 seconds". On line: 108              

Error: ] Could not process some files, due to:                                  
         "Reached system errors count limit of 50, exiting...".                 

Error: Process completed with exit code 1.

https://github.com/codeigniter4/CodeIgniter4/actions/runs/7770165323/job/21189995850

[samsonasik]

Reduce the job size may be needed.

-    $rectorConfig->parallel(120, 8, 15);
+    $rectorConfig->parallel(120, 8, 10);

[samsonasik]

#8510