[PHPStan] Defined array shapes for Liip filter configuration

[alongosz]

🎫 Issue	n/a

Related PRs:

• IBX-11437: Implemented reference aware external storage #730

Description:

When reviewing another PR I've noticed that PHPStan started failing with

 ------ ----------------------------------------------------------------------------------------------------------------------------------------------------------------------- 
  Line   src/bundle/Core/Imagine/Filter/FilterConfiguration.php                                                                                                                 
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  38     Parameter #2 $configuredVariations of method Ibexa\Bundle\Core\Imagine\Filter\FilterConfiguration::getVariationFilters() expects array, non-empty-array given.         
         🪪  argument.type                                                                                                                                                      
  39     Parameter #2 $configuredVariations of method Ibexa\Bundle\Core\Imagine\Filter\FilterConfiguration::getVariationPostProcessors() expects array, non-empty-array given.  
         🪪  argument.type                                                                                                                                                      
 ------ ----------------------------------------------------------------------------------------------------------------------------------------------------------------------- 

Junior Dev helped cleaning up a bit of legacy mess in Image semantic config and FilterConfiguration by adding proper array shapes.

For QA:

No QA required. CI test suites + behat should be enough.

Documentation:

No doc required.

[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