set correctionTypes as optional dependency in CorrectionTypeServiceImpl

[saschaszott]

Problem Description

This PR fixes a bug which is caused by a missing dependency in CorrectionTypeServiceImpl. We see this error on application startup:

2025-02-26 11:47:17 Field correctionTypes in org.dspace.correctiontype.service.impl.CorrectionTypeServiceImpl required a bean of type 'java.util.List' that could not be found.
2025-02-26 11:47:17 
2025-02-26 11:47:17 The injection point has the following annotations:
2025-02-26 11:47:17     - @org.springframework.beans.factory.annotation.Autowired(required=true)
2025-02-26 11:47:17 
2025-02-26 11:47:17 
2025-02-26 11:47:17 Action:
2025-02-26 11:47:17 
2025-02-26 11:47:17 Consider defining a bean of type 'java.util.List' in your configuration.
2025-02-26 11:47:17 

The required dependency should be transformed to an optional dependency since core-services.xml does not contain a correctionTypes list.

[saschaszott]

@jor4science, this is production-critical. The changes should be merged into DSC 2024.02.01.

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[saschaszott]

@jor4science , do you have any updates on this issue?