Fix TenantAwareUserPropertes.User password (#1971)

Signed-off-by: Avgustin Marinov <Avgustin.Marinov@bosch.com>

hawkbit-security-core/src/main/java/org/eclipse/hawkbit/im/authentication/TenantAwareUserProperties.java

@@ -33,11 +33,10 @@ public class TenantAwareUserProperties {
     @ToString
     public static class User {
 
+        private String tenant;
         @ToString.Exclude
         private String password;
         private List<String> roles = new ArrayList<>();
         private List<String> permissions = new ArrayList<>();
-        @NonNull
-        private String tenant;
     }
 }