Different behavior of Fields appearance for Delegate Expression and JavaDelegate class in service task

[maistrenkoIulia]

Jmix version: 1.1.0-SNAPSHOT
Jmix Studio plugin version: 1.1.SNAPSHOT3528-212
IntelliJ version: IntelliJ IDEA 2021.2.1 (Ultimate Edition)

TC: create 
@Component( "l_ExampleExecutionListenerOne")
public class ExampleExecutionListenerOne implements JavaDelegate {

    Expression test123;
    @Override
    public void execute(DelegateExecution execution) {
   }
}

run app>Modeler>create service task
select Type = JavaDelegate class
select ExampleExecutionListenerOne
AR: Fields tab is filled with expressions from the class

select Type =Delegate Expression
select ExampleExecutionListenerOne
AR: Fields tab is empty

[maistrenkoIulia]

the same behavior on
Jmix version: 1.1.0-SNAPSHOT
Jmix Studio plugin version: 1.1.SNAPSHOT3579-212
IntelliJ version: IntelliJ IDEA 2021.2.2 (Ultimate Edition)

[maistrenkoIulia]

bpmdataload.zip
ExampleExecutionListenerOne (com.company.bpmdataload.app.ExampleExecutionListenerOne)

[maistrenkoIulia]

verified