EZP-22066: Removed service_container direct injection in ConfigResolver
EZP-22066: Removed service_container direct injection in SiteAccessListener
EZP-22066: Removed service_container direct injection in LegacyBundle’s ConfigScopeListener
EZP-22066: Removed service_container direct injection in LegacyBundle’s LegacyMapper\Configuration
EZP-22066: Removed service_container injection in Legacy session mapper

Also added unit test
EZP-22066: Removed service_container direct injection in LegacyBundle’s LegacyMapper\SiteAccess
EZP-22066: Removed service_container injection in legacy FallbackRouter
EZP-22066: Removed service_container direct injection in REST base controller (bis)
EZP-22066: Refactored DefaultSignalDispatcher to not depend on ContainerSlotFactory any more.

Slots are now assigned directly to the SignalDispatcher.