Fix issue with unpacking.

Fix tests.

src/main/kotlin/mapping/fields/ConfigField.kt

@@ -123,7 +123,7 @@ sealed class ConfigField {
                         languagePair.sources.forEach { field ->
                             when (field) {
                                 is MappedAnnotationField ->
-                                    FieldParsers.unpackSource(key, source).let { value ->
+                                    FieldParsers.unpackSource(field.field, source).let { value ->
                                         when (value) {
                                             is SimpleString ->
                                                 if (resultList.size == 1) {

src/test/resources/output/output3.json

-{"digitalFieldMappers" : [{"field" : {"directField" : "MainID", "directKey" : "main", "field" : "MainID", "key" : "main"}, "rdfType" : "identifiers", "type" : "rico-concept"}], "physicalFieldMappers" : [{"field" : {"directField" : "MainID", "directKey" : "main", "field" : "MainID", "key" : "main"}, "rdfType" : "identifiers", "type" : "rico-concept"}], "recordFieldMappers" : [{"field" : {"directField" : "MainID", "directKey" : "main", "field" : "MainID", "key" : "main"}, "rdfType" : "identifiers", "type" : "rico-concept"}], "recordType" : {"constant" : "Foto", "key" : "type"}, "sponsoredByMemoriav" : true, "uri" : "TestField"}
\ No newline at end of file
+{"digitalFieldMappers" : [{"field" : {"directField" : "MainID", "directKey" : "main", "field" : "MainID", "key" : "main"}}], "physicalFieldMappers" : [{"field" : {"directField" : "MainID", "directKey" : "main", "field" : "MainID", "key" : "main"}}], "recordFieldMappers" : [{"field" : {"directField" : "MainID", "directKey" : "main", "field" : "MainID", "key" : "main"}}], "recordType" : {"constant" : "Foto", "key" : "type"}, "sponsoredByMemoriav" : true, "uri" : "TestField"}
\ No newline at end of file

src/test/resources/output/output4.json

-{"digitalFieldMappers" : [], "physicalFieldMappers" : [], "recordFieldMappers" : [{"agentClassType" : "subject", "fields" : [{"fields" : [{"sources" : [{"directField" : "Schlagworte", "directKey" : "prefLabel", "field" : "Schlagworte", "key" : "prefLabel"}], "tag" : "fr"}], "key" : "prefLabel"}, {"constant" : "Ursprungsfeld: Mots clés", "key" : "editorialNote"}], "type" : "skos-concept"}, {"agentClassType" : "genre", "fields" : [{"fields" : [{"sources" : [{"directField" : "Genre", "directKey" : "prefLabel", "field" : "Genre", "key" : "prefLabel"}], "tag" : "fr"}], "key" : "prefLabel"}, {"constant" : "Ursprungsfeld: Genre", "key" : "editorialNote"}], "type" : "skos-concept"}], "recordType" : {"constant" : "Foto", "key" : "type"}, "sponsoredByMemoriav" : false, "uri" : "id"}
\ No newline at end of file
+{"digitalFieldMappers" : [], "physicalFieldMappers" : [], "recordFieldMappers" : [{"agentClassType" : "subject", "fields" : [{"fields" : [{"sources" : [{"directField" : "Schlagworte", "directKey" : "prefLabel", "field" : "Schlagworte", "key" : "prefLabel"}], "tag" : "fr"}], "key" : "prefLabel"}, {"constant" : "Ursprungsfeld: Mots clés", "key" : "editorialNote"}]}, {"agentClassType" : "genre", "fields" : [{"fields" : [{"sources" : [{"directField" : "Genre", "directKey" : "prefLabel", "field" : "Genre", "key" : "prefLabel"}], "tag" : "fr"}], "key" : "prefLabel"}, {"constant" : "Ursprungsfeld: Genre", "key" : "editorialNote"}]}], "recordType" : {"constant" : "Foto", "key" : "type"}, "sponsoredByMemoriav" : false, "uri" : "id"}
\ No newline at end of file

src/test/resources/turtleOutput/agent-mapper-with-name-only.ttl

@@ -5,15 +5,6 @@
 @prefix ebucore: <http://www.ebu.ch/metadata/ontologies/ebucore/ebucore#> .
 @prefix skos:  <http://www.w3.org/2004/02/skos/core#> .
 
-_:b0    a                               rico:CreationRelation ;
-        rico:creationRelationHasSource  <https://memobase.ch/record/rs1-1> ;
-        rico:creationRelationHasTarget  [ a          rico:Person ;
-                                          rico:agentIsTargetOfCreationRelation
-                                                  _:b0 ;
-                                          rico:name  "Hans Zimmer"
-                                        ] ;
-        rico:type                       "creator" .
-
 <https://memobase.ch/record/rs1-1>
         a                  rico:Record ;
         rdau:P60451        <https://memobase.ch/institution/mrv> ;
@@ -28,3 +19,12 @@ _:b0    a                               rico:CreationRelation ;
         rico:recordResourceOrInstantiationIsSourceOfCreationRelation
                 _:b0 ;
         rico:type          "Foto" .
+
+_:b0    a                               rico:CreationRelation ;
+        rico:creationRelationHasSource  <https://memobase.ch/record/rs1-1> ;
+        rico:creationRelationHasTarget  [ a          rico:Person ;
+                                          rico:agentIsTargetOfCreationRelation
+                                                  _:b0 ;
+                                          rico:name  "Hans Zimmer"
+                                        ] ;
+        rico:type                       "creator" .