feat: VoBasedEdupersonScopedAffiliationsClaimSource impl

perun-oidc-server/src/main/java/cz/muni/ics/oidc/server/adapters/impl/PerunAdapterImpl.java

@@ -414,4 +414,17 @@ public class PerunAdapterImpl extends PerunAdapter {
         }
     }
 
+    @Override
+    public Set<Long> getUserVoIds(Long userId) {
+        try {
+            return this.getAdapterPrimary().getUserVoIds(userId);
+        } catch (UnsupportedOperationException e) {
+            if (this.isCallFallback()) {
+                return this.getAdapterFallback().getUserVoIds(userId);
+            } else {
+                throw e;
+            }
+        }
+    }
+
 }