Outline view does not show Record component accessors

The Outline view does not show the record component accessor methods.

I tried unticking the Synthetic members, does not make a difference. This is annoying because normally I have fields filtered out and only see methods which is now not possible for records.


```
public record Car(int wheelCount) {}
```

(This got separated from https://github.com/eclipse-jdt/eclipse.jdt.ui/issues/571 which tried using Call Hierarchy on record components.)

Start by reproducing the issue in the Outline view with the provided `public record Car(int wheelCount) {}` example, both with Synthetic members enabled and disabled. Compare the displayed members with the record component accessor methods and use the related issue #571 for context. Done means the Outline view shows those accessors while preserving the existing field-filtering behavior.

Written by the indexing model from the issue text.