Fix adding social link in mongo. Fixed export/import of federationProviders. Enhanced ExportImportTest

model/api/src/main/java/org/keycloak/models/utils/ModelToRepresentation.java

@@ -134,10 +134,7 @@ public class ModelToRepresentation {
         if (fedProviderModels.size() > 0) {
             List<UserFederationProviderRepresentation> fedProviderReps = new ArrayList<UserFederationProviderRepresentation>();
             for (UserFederationProviderModel model : fedProviderModels) {
-                UserFederationProviderRepresentation fedProvRep = new UserFederationProviderRepresentation();
-                fedProvRep.setId(model.getId());
-                fedProvRep.setProviderName(model.getProviderName());
-                fedProvRep.setConfig(model.getConfig());
+                UserFederationProviderRepresentation fedProvRep = toRepresentation(model);
                 fedProviderReps.add(fedProvRep);
             }
             rep.setUserFederationProviders(fedProviderReps);

model/mongo/src/main/java/org/keycloak/models/mongo/keycloak/adapters/MongoUserProvider.java

@@ -297,6 +297,7 @@ public class MongoUserProvider implements UserProvider {
 
     @Override
     public void addSocialLink(RealmModel realm, UserModel user, SocialLinkModel socialLink) {
+        user = getUserById(user.getId(), realm);
         MongoUserEntity userEntity = ((UserAdapter) user).getUser();
         SocialLinkEntity socialLinkEntity = new SocialLinkEntity();
         socialLinkEntity.setSocialProvider(socialLink.getSocialProvider());