[PHP] Accessing instance and static property on enum directly must produce error

### Apache NetBeans version

Apache NetBeans 16

### What happened

Since Enum must not has any property, instance and and static property call must produce error message. As a note, Netbeans already capable displaying error on enum property definition.

### How to reproduce

```php
propInt ."\n";
echo $card->propFloat ."\n";
$card->propInt = 10;
$card->propFloat = 20.34;
```

related issue: [Accessing undeclared static property must produce error](https://github.com/apache/netbeans/issues/6019)

### Did this work correctly in an earlier version?

No / Don't know

### Operating System

Windows 10

### JDK

Java: 14.0.1; Java HotSpot(TM) 64-Bit Server VM 14.0.1+7 Runtime: Java(TM) SE Runtime Environment 14.0.1+7

### Apache NetBeans packaging

Apache NetBeans provided installer

### Anything else

_No response_

### Are you willing to submit a pull request?

No

### Code of Conduct

Yes

Start by reproducing the issue with the PHP enum snippet in the report and inspect the NetBeans PHP diagnostics for direct static and instance property access. Done means those accesses produce errors consistently, alongside the already reported errors for property declarations.

Written by the indexing model from the issue text.