OZG-5681 create call context providers

...va/de/ozgcloud/bescheid/BescheidManagerConfiguration.java

...e/ozgcloud/bescheid/attacheditem/AttachedItemService.java

...ommon/callcontext/BescheidManagerCallContextProvider.java

...java/de/ozgcloud/bescheid/nachricht/NachrichtService.java

...ain/java/de/ozgcloud/bescheid/vorgang/VorgangService.java

...r/src/main/java/de/ozgcloud/document/DocumentService.java

...n/callcontext/BescheidManagerCallContextProviderTest.java

...a/de/ozgcloud/vorgang/callcontext/WithMockCustomUser.java

...callcontext/WithMockCustomUserSecurityContextFactory.java

vorgang-manager-server/pom.xml

...e/ozgcloud/vorgang/VorgangManagerCallContextProvider.java

.../src/test/java/de/ozgcloud/processor/ProcessorITCase.java