### Godot version

4.0 rc1

### System information

Windows 11, GTX 1080Ti, Vulkan

### Issue description

Automplete can't find any variables and methods on custom classes when the nodes are loaded with `@onready`:

simple_rotate.gd:
```gdscript
extends Node2D
class_name SimpleRotate

@export var shouldRotate : bool = true
```

machine.gd:
```gdscript
@onready var wheel1 : SimpleRotate = $Wheel

func start_motor():
	wheel1.sho... # Doesn't autocomplete, it can't find shouldRotate 
```

If I add another cast like below, autocomplete does work:
machine.gd:
```gdscript
@onready var wheel1 : SimpleRotate = $Wheel as SimpleRotate

func start_motor():
	wheel1.shouldRotate = true # Autocomplete works
```

To make things even weirder, it does work if I make Wheel into a unique name and access it using %:
machine.gd:
```gdscript
@onready var wheel1 : SimpleRotate = $"%Wheel"

func start_motor():
	wheel1.shouldRotate = true # Autocomplete works
```


### Steps to reproduce

- Create a script with a class_name
- Add that script to a node
- Create another script referencing the node with the type of the script
- Try to let automcomplete find any methods or variables on the script with the class_name
- Notice that it fails

### Minimal reproduction project

N/A
Pair<String, Variant> pi;
	pi.first = "PI";
	pi.second = Math_PI;
	p_constants->push_back(pi);
	Pair<String, Variant> tau;
	tau.first = "TAU";
	tau.second = Math_TAU;
	p_constants->push_back(tau);
	Pair<String, Variant> infinity;
	infinity.first = "INF";
	infinity.second = INFINITY;
	p_constants->push_back(infinity);
	Pair<String, Variant> nan;
	nan.first = "NAN";
	nan.second = NAN;
	p_constants->push_back(nan);
}
void GDScriptLanguage::get_public_annotations(List<MethodInfo> *p_annotations) const {
	GDScriptParser parser;
	List<MethodInfo> annotations;
	parser.get_annotation_list(&annotations);
	for (const MethodInfo &E : annotations) {
		p_annotations->push_back(E);
	}
}
String GDScriptLanguage::make_function(const String &p_class, const String &p_name, const PackedStringArray &p_args) const {