Fix critical issue when importing from xml with researchers

dmp-backend/data/src/main/java/eu/eudat/data/entities/Researcher.java

@@ -24,7 +24,7 @@ public class Researcher implements DataEntity<Researcher, UUID> {
 	@Column(name = "\"ID\"", updatable = false, nullable = false, columnDefinition = "BINARY(16)")
 	private UUID id;
 
-	@Column(name = "\"Label\"")
+	@Column(name = "\"Label\"", nullable = false, length = 250)
 	private String label;
 
 	@Column(name = "\"Uri\"")

dmp-backend/web/src/main/java/eu/eudat/logic/managers/DataManagementPlanManager.java

@@ -1668,6 +1668,7 @@ public class DataManagementPlanManager {
             for (ResearcherImportModels res : dataManagementPlans.get(0).getResearchersImportModels()) {
                 eu.eudat.models.data.dmp.Researcher researcher = new eu.eudat.models.data.dmp.Researcher();
                 researcher.setLabel(res.getResearcherImportName());
+                researcher.setName(res.getResearcherImportName());
                 researcher.setReference(res.getResearcherImportReference());
                 researcher.setKey(researcher.getReference().split(":")[0]);
                 researchers.add(researcher);