fixed potential NPE

account/src/main/java/de/muehlencord/shared/account/business/application/control/ApplicationRoleControl.java

@@ -117,7 +117,10 @@ public class ApplicationRoleControl implements Serializable {
     public List<ApplicationPermissionEntity> getRolePermissions(ApplicationRoleEntity role) throws AccountException {
         ApplicationRoleEntity existingRole = em.find(ApplicationRoleEntity.class, role.getId());
         List<ApplicationPermissionEntity> permissions = existingRole.getApplicationPermissionList();
+        if ((permissions != null) && (permissions.isEmpty())) {
             permissions.size(); // force list to load
+        }
+        
         return permissions;
     }