IBX-9513: Fixed obsolete ibexa_content Controller references
          #56
        
          
      
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Related PRs:
ibexa_*Controller references core#474Description:
Fixed single colon controller references, which seem to be no longer working in Symfony 6.
Note: we have behat failures for http cache fetatures and REST integration tests failures, which need to be handled separately.
For QA:
The bug might be reproducible in a similar form to the one from JIRA ticket, when using HTTP cache (e.g. Varnish). Not 100% sure however, just a guess. If so, affected field types: