Attributes on visibility sections cause parsing failures

### Prerequisites

- [x] This bug is in SonarDelphi, not SonarQube or my Delphi code.
- [x] This bug has not already been reported.

### SonarDelphi version

1.20

### Delphi version

13

### SonarQube version

_No response_

### Issue description

The parsers only supports the attribute before the field name like this:
` private [MyAttribute] FMyField: String;

private var [MyAttribute] FMyField: String;`

but RAD supports those too:

` [MyAttribute]
private FMyField: String;

[MyAttribute]
private var FMyField: String;`

### Steps to reproduce

Create a class with attribute before visibility

` [MyAttribute]
private FMyField: String;

[MyAttribute]
private var FMyField: String;`

sonar-delphi is unable to parse the class.

### Minimal Delphi code exhibiting the issue

_No response_

Start by reproducing the parser failure with the two Delphi examples where an attribute precedes a visibility section, then compare them with the currently supported attribute placement. No source file or test entry point is named in the issue, so locate the relevant class-member parsing code and existing parser tests. Done means both attribute-before-visibility forms parse successfully.

Written by the indexing model from the issue text.